Optics and Reticle Info

Information about CounterSniper's™ Lenses and Proprietary Coating Systems

Glass looks smooth...until you see it under a microscope. You can smooth it out by surface flame annealing and some similar processes but they will destroy the critical spherical dimensions of the optical systems. Many less expensive scopes make huge tradeoffs in these critical areas to make them affordable. In order to get the maximum amount of accurately transmitted and collimated light through the optical group, those microscopic canals and ridges induced by the manufacturing processes need to be polished and coated to perfection-(less than 1/1200 of a human hair). This attention to detail is why the CSO lenses are so astonishingly distortion free. Even at extreme ranges and powers, the edge to edge clarity and sharpness is the envy of any operator who had to engage targets under extreme circumstances. Very few lenses actually pass our quality control points and have the perfection to make into the CounterSniper™ tubes. The use of Fujinon Interferometers allow us to accurately design and test these, this isn't left to subjective evaluation! This is also one of the reasons that some of our scopes exceed $7000 dollars. While a subjective evaluation of a "look through the scope" can be a good quick test, without expensive and accurate scientific equipment, evaluation a optical solution becomes very subjective. If you are looking through a 40 power scope at a distant object and it doesn't appear as clear or contrasty as a 4 power scope focused on something closer, the actual difference is only the amount of haze, pollution and mirage...at least with CounterSniper's™ Bertrillium-Zantitium™ scopes! The optical accuracy and clarity of a lens can be accurately tested and tuned for optimum performance. This attention to detail is why CounterSniper™ riflescopes are considered by many to offer some of the most distortion free optical solutions in the world. Add aspherics to correct chromatic aberrations and you have optics bordering the incomparable...and should you be in harm's way, it is good to know that at least one piece of your gear wasn't made by the low bidder... 

CSO uses a hybrid of coatings to let the maximum amount of broad spectrum visible light pass through. Yet another coating blocks IR light, a feature appreciated by snipers with extended time behind the scope in desert sun. (Note; Coating will provide sun based IR blocking, but will not protect the eye from laser bandwidth in both viable an IR spectrum. Use appropriate eye protection when working in enemy IR/laser environments. Scopes designated for night vision eyepieces are coated for enhanced IR spectrum transmission) 

CounterSniper™ uses a 24 stage processing system that takes the broadband light transmissivity coefficients to levels exceeding anything we are aware of to date. Coating science is an art that needs to be tailored to the mission. You will find with CounterSniper™ scopes a remarkable series of proprietary optical enhancements. Under bright sunlight the haze and glare is filtered out with a non-light-reducing proprietary polarization type function. In lower light, such as dusk, dawn and shadowed area's that reflect less light, CounterSniper's™ Bertrillium-Zantitium™ Electron beam coatings let pass all the light in those bandwidths unfiltered and spectral-enhanced. Coupled to our massive 56mm primary objective lenses, you will actually see more in dusk and dawn with our scope in front of your eye than you can with your naked eye alone. CounterSniper™ lenses are coated for transmissivity, spectral enhancement and balance, with an additional 9 step final anti-reflection and hard coat that exceeds Mil-Spec. The combination of bandwidth specific coatings and massive light collection surfaces focuses all that light on the retina of the shooter. If you have ever started a fire with sun and a magnifying glass, you get an illustration of that light collimation effect. Your eye has a dusk-time light collection area of appx. two thirds of a centimeter. The collection area of the CounterSniper™ massive objective lens is almost 21 times the size. In simple terms, like a polarized pair of sunglasses, CSO coatings enhance contrast and color while providing the maximum amount of dim-light blue band light to pass through. 

INSTRUCTIONS:

WARNING:

Before mounting, always be sure that the weapon is unloaded, magazine out and chamber empty. While checking, always keep the weapon's safety engaged and the muzzle of the barrel in a safe direction. Modern rifles can fire bullets in excess of 2000 meters. Always practice safe firearms handling, our 2nd Amendment Rights are under enough pressure without accidental discharges. We recommend Otis® Cleaning systems and use them for all our test guns at the CounterSniper™ facilities.

Mounting Procedures

Use the best rings you can get. It is pointless to have a $6000 dollar scope with rings that flex or give under impact. CounterSniper™ makes rings ideally matched to your scope. If you are planning to attach Lasers, Lights or InfraRed Targeting accessories or systems, use the CounterSniper™ RapierRail™ mounts with built in Picatinny/Weaver rails. For scopes with Front Objectives 50mm or larger use the RapierRails or CSO Precision Standard mounts. For 42mm and below, You can use CSO Precision Low Profile mounts, particularly if you are working with hunting rifles that have lowered cheekpieces, albeit the standard height versions will also work well, as well as provide slightly more clearance over the ejection port. 

Assuming you are using CounterSniper™ match grade mounts, follow the instructions below. Other manufacturers of mounts may have different instructions and different torque levels. If so, use theirs. To mount, unscrew the top half of the mounting rings and set those pieces aside. It is easiest if you can have the weapon held vertically. If you have no stationary vice set-up, take two big bricks, wrap them in towels and place the gunstock between them. Position the rear scope mount on the rail as far forward as you can get it with larger scopes to preserve maximum eye relief. Screw the base bolt on finger tight. Position the bottom half of the second ring as far forward as you can, but before the scope up-tapers to the bell area. The greater the distance between the mounts, the stronger the hold, but if you are using any of the CSO mounts, the system will be so strong that it is academic. Place the scope in the cradles and raise the gun to your eye (DON'T LET THE SCOPE DROP FROM THE CRADLE!) Check to see that your eye relief is correct, set the weapon back down and position the top half of the scope rings back over the scope. Gently put in one Torx head screw at opposite corners and tighten finger tight. With the weapon held securely vertically, check to make sure that your crosshairs are exactly on the 90 degree axis to the barrel and that the windage crosshair is exactly horizontal to the barrel. If this is not done, long range ranging will not be true. After the scope is properly positioned, seat it gently, tighten the Corner torx bolts, securely tighten the mounting hex bolts, add the remaining torx bolts and tighten securely. Torque values for the mounting bolts should be 30-35 inch/lbs and 30-35 inch/lbs for the screws holding the upper half of the rings. Don't over tighten the torx upper bolts as you will strip them from the mount rendering the mounts useless. The supplied torx wrench with your hands will give you all the force needed! 

Setting Your Eyepiece Focus

All CounterSniper™ scopes come with eyepiece adjusters that allow you adjust the scope for the optimum setting for your eyes. If your scope has protective lens covers, remove the ocular side. (The side you look INTO) Once you have done an eyepiece adjustment, you can set it and forget it. This is different from the side focus or front objective ring that you will focus for distance on non PermaLax™ Models. To set your eyepiece, remove any scope caps that may be attached and look through the scope at the sky or a distant, light-colored background. (if your unit has a side focus control, make sure this is set for the correct distance or to infinity if looking at the sky. The cross-hairs should appear razor sharp. The diopter settings are very forgiving as all CSO scopes feature our extended depth of field designs. You typically only need to tweak this if you use corrective lenses and choose not to wear them while shooting, or slight adjustments for cross hair sharpness. If you have trouble focusing the crosshairs on the target, you may adjust it here, but don't mix this function with the side focus that is used for overall subject focus. The range of diopter adjustment is appx. 3 diopters in each direction. This allows our scopes to be set to the individual eyes of users, as well as to optimize different lens combinations. The user can be fairly near or far sighted and still use the scope without glasses. If glasses or contacts are not perfect for the user, they can be compensated for by the scope. If this is not set for you, your reticle and the target may not appear to be in focus in the same plane. 

CounterSniper™ Locking Turrets. (US, Intl. Patents Pending)

You may notice a second knob on top of the turrets in certain models. This is a unique internal locking mechanism that allows you to freely range the turrets for extreme accuracy and/or lock them permanently in place. The ability to set crosshairs for specific distance and windage is universally used in Military and Tactical applications. For hunting applications, or for consistent shots at known distance, the ability for a permanent lockdown provides the best of all worlds. These turrets are also re-settable for zeroing and giving yourself the basis point of your choosing. After zeroing, you may reset the actual turret to the zero point at the windage or elevation hash mark. Inside the turret cap are three allen-head bolts that are recessed into the cap. You may loosen these, gently twist the turret cap to the desired position and retighten. Be sure to loosen adequately to let the turret rotate freely so you don't inadvertently twist the internal windage or elevation tube. Make sure that you securely retighten those allen-head bolts, or you could lose your zero settings. Unlike other models, CounterSniper™ uses three bolts per turret, although the turret will hold with only one of these tightened. This is consistent with the overbuilding we do for military grade products. This feature allows you to use the same scope for military, law enforcement, hunting or extreme target shooting. 

Changing the Battery & Your Illuminated Reticle

Your scope comes with a 1, 2 or 3 color illuminated reticle. At CounterSniper™, we include extremely bright settings for the operator to use in daylight built up urban environments. These are useful when targets move into shadowed settings form sunlight, or are in backlit shadowed areas, or you must engage targets in darkened rooms through windows. These high-power settings will correspondingly dazzle at night. If you use the brightest settings in darkness, you will get the expected brightness bouncing about in the scope tube. This is not a flaw, this is an additional level of capability that other manufacturers don't provide, presumably due to battery life or the fact that their internal lenses aren't coated and a bright light will really expose design flaws. As this was a tactical request from in-theater operators, we have it included. For night work, simply use the low power settings, and always make sure when using the illuminated reticles to open your scope caps. The scope caps don't have the super expensive coatings that the optics do, so they will refract light. To change the battery (CR2032 lithium, available in any camera store or from our website), unscrew the top of the reostat cover (The knob that turns the reticle on). Be careful not to get sand or grit into the gasket area-that will make it not waterproof!! Insert a new battery, positive side up, and reaffix the cap-finger tight is fine. Check it periodically after sustained weapons fire to make sure it hasn't come loose. Also be sure to shut it off between uses. With intermittent use, the battery can last years. In constant on mode life runs from 40 hours to 400 hours, depending on color, model and power. 

Zeroing Your Scope

Your scope comes with between 42 and 140 Minutes of Angle of adjustment. One MOA is appx.1 inch at(1.047) 100 yards, 2 inches at 200 yards, 3 inches at 300yards and so on. At one hundred yards, moving the windage knob 1 click will move the bullet point of impact left or right 1/8 inch on CSO scopes with 1/8 MOA adjustment turrets and 1/4 inch on 1/4 MOA Turrets. Same for the elevation turret. (The top one, this moves the bullet impact up or down). Scopes with side focus adjustment knobs allow you to set the scopes focus for the proper viewing distance. If you have no side focus knob, it means your scope is one of our PermaLax™ parallax free designs, such as our 3-9, 2.5-10 or 3-12by 50mm. You scope will arrive to you approximately zeroed in the middle of the range of windage and elevation. 

WARNING!

If your scope has lockable turrets (You will see a second smaller knob on the top of the turrets) make sure you loosen this before adjusting windage or elevation. If you don't you will strip the internal indexing grooves or shear off the tip of the indexing pin, both fixable, but considered operator abuse. As a practical matter you would need an awful lot of force to do that-if the knobs won't turn, be sure to unlock them first! 

After mounting, fire three shots at a target 25 yards or so out. With the distance between the center-line of the scope and the barrel, this will give you an approximate 200 yard zero, without the extended time of trying to get on paper at distance. Your group of bullet impacts on the target should be relatively close or you may have an ammo, gun, or mounting problem. If you are not grouping closely (within an inch or two) keep shooting groups until you get a group that is. After that, you can make your adjustments. Assuming a close group, take the distance between your aiming and impact points and adjust your turrets so that the next group hits at the aiming point. For each inch off at 25 yards, you will need to adjust your scope 16 clicks on the 1/4 MOA models and 32 clicks on 1/8 MOA models. Once you have done this, shoot another 5 shot group at 100 yards. Always zero by firing on a bench or prone with sandbags. Unless you have a solid shooting platform, you will be at this all day. Make sure you are using match grade ammo, or bullet/powder inconsistencies will cause you all sorts of headaches. If you get lost or are not on paper, you can get yourself back to basic ground zero. Take each turret and gently screw it all the way down. STOP when you feel the slightest snugness. That means you have turned the turret down to the maximum setting. If you over-turn the turret, you will either crush the reticle in the erector tube (turning the turret to far in, you can watch the turret get shorter as you turn it) or break the elevation or windage stop collar, snapping off the base of the turret, (the part that touches the internal erector tube). The very fine nature and gentle pitch of the grooves on the turrets internal mechanism allow you an astronomical amount of mechanical advantage when you are turning them. (Up to 120 threads per inch!)We can fix them if you break this, but it is not covered by warrantee. If you are short on time and don't wish to count, gently turn both knobs so that they appear apprx. half way in and move your sighting distance down to ten yards. You'll be on paper quick! 

To get back to the scope centerline, gently screw the turret all the way down until you feel it get snug. Then turn the turret the other way, several turns until you feel snugness at the top of the travel. Keep track of the number of total revolutions. Once you reach the full range of travel, turn the scope turret back in the opposite direction exactly one half the number of turns. This will put you at the approximate optical centerline of your scope. Your scope is shipped from the factory at this setting, so unless you or the sales person has changed these, you should be able to affix to your gun and be reasonably close right from the box. For extreme distances, you may choose rings or elevated rear bases that "shim-Up" the rear of the scope 20, 40, or 60 MOA. This is very common for long range shooters as well as on heavy bullet systems, namely 338 Lapua and .50 BMG. 

Coatings & Protecting Your Lenses

CounterSniper™ utilizes some of the most sophisticated lens coating systems in the optics industry. Reasonable care should be taken to avoid damaging these lenses, although they will take a considerable amount of abuse. The one thing to avoid is grinding dirt into the lens. The best way to clean built up dirt is with running water. All CSO scopes are waterproof and a squirt from your hydration system will wash off the grit. The VaporShear™ coating will sheet the water away and your lenses will air-dry water spotless and clean-touch up with dust free microfiber cloth. Dust and dirt buildup on the scope body wont hurt anything, albeit you should blow-out the accumulation of desert sand around the points where the turrets meet scope body. A puff of air from your mouth is all that is needed, don't use high pressure compressed air or you can force grit past the seals! Beneath the water-sheeting coating are the TitaniStar™ anti-scratch coating that is over the 32 step Bertrilium-Zantitium™ light transmission coatings. Once the lenses are 100% grit free, you can use an optical microfiber cloth to remove any stains. 

Maintenance & Cleaning

CSO Scopes are some of the most durable optical devices in the planet. If you are in the field, there is no need to remove surface dirt, other than keeping the lenses clean. Leave it dirty, it helps with camouflage. If severely dirty, you may hose it off. Do not use power washers as you can force dirt into the many hi-temp pressure seals that keep the inert anti-fog rare earth gasses inside the tube. If greasy, use any mild soap and water mix, do not use harsh gun cleaning solvents that can seep into seals. You may paint the scope as needed, but don't paint to heavy or to quickly and don't let the paint seep into the edges of the turrets or around the zoom ring. To much paint and you will make those rotating parts harder to turn. Also mask off the screw threads on the front of the scope in case you later wish to affix sunshades or Anti-Reflection devices 

NEW! Special Note on the 1-8x Scopes

The Countersniper™ StormBringer™ 1-8x CQB to Intermediate range sniper Scope is a revolutionary optic that may finally be the answer to the vast majority of the optical needs of urban warriors who may be engaging targets in the same room or 100 yards away on a rooftop moments later. It is the only true 1-8x range scope in the world. The design is to our knowledge the only scope built to the full optimal spec of the Army's CQB optical acquisition program designed to work with the latest version of the ACR. Developed as an NDI, (Non-Developmental Item) it is available now for operators' months ahead of the evaluation process. A true 1 power, it can be used as a dot site for CQB work. Conversely, a twist of the zoom ring and the operator has an 8 power optic- or any range of magnification in between. Available in Titanium or Aircraft Aluminum, the StormBringer™ offers a front reticle design, GRB (GREEN/RED/BLACK) illuminated reticle with 5 power level settings and an oversized 34mm tube offering over 140 minutes of angle of windage and elevation. For .223 weapons and short barreled .308 weapons, it is the ideal range to take advantage of the relative level of lethality of those two weapon systems. 

Features of the CounterSniper TDRM-DI Tactical Distance Ranging Mildot-Double Impact. (US & Intl. Patents Pending) TDRM-DI Information-(US and Intl. Patents Pending) CounterSniper Military Optical Gunsight Corporation

The TDRM-DI Advanced Sniping Reticle (Patent Pending) is the latest advancement in reticle technology developed under field test with some of the best operators currently in theater. It takes advantage of CounterSniper's ability to laser etch their reticles to incredibly fine precision, a break-through that allows CSO to engrave lines four times as thin the thickness of previous technologies widely in use. This allows CSO to include critical ranging data without cluttering up the field of view or occluding target data and provides the operator with a radical new set of tools with which to rapidly engage targets. 

The Tactical Distance Ranging MilDot-Double Impact (TDRM-DI) provides the 7 key features below, but within each feature are multiple new abilities that allow any operator familiar with the current MilDot Ranging System to integrate this new reticle with minimal training: 

1. A near field point of aim (300 yards and in- classic MilDot reticle illuminated Red or Green)



2. An extreme-distance field point of aim (300 - 800 yards and out in classic MilDot reticle-illuminated Red or Green) This allows any marksman familiar with the Military's current Miliradian (MilDot) Ranging system to instantly adapt to the new reticle with minimal training. The scope allows for two sets of zero (near and extreme distance) from which the sniper can range accordingly. With a single MilDot design, extreme distance target engagement involves several revolutions of the elevation turret and if holding over, takes the horizontal cross-hairs out of the field of view. With the TDRM design, the shooter chooses one of two engagement range zeros, and adjusts minimally from there. Please note. If you superimpose the current Army (circular dot) MilDot reticle over the center cross hairs, you will get the exact milling result and sight picture as the current MilDot pattern. The TDRM has much finer sub-stadia, breaking the MilDot into much finer ranging marks, but the basic dot pattern is the same. If you can range with a MilDot reticle, you can range identically with the TDRM reticle. If you superimpose the current Army pattern (circular dot) over the lower cross hairs, the same applies, but you now have an impact point at 600-900 yards based on barrel, bullet, power, and caliber. This interoperability between the current MilDot and the TDRM Double Impact Variant was deemed essential by Military and Law Enforcement customers who did not want the time nor expense of retaining deployed operators. If you can work the MilDot, you can work the TDRM and you'll get much greater ranging accuracy.



3. Extreme precision center impact cross-hairs. Within the MilDot grid, the center quadrant of cross-hairs are split into 1/8 Miliradian sub-markings. This allows extreme accuracy on near field targets (1/64 MOA) within the reticle view and 1/16th MOA at the extreme distance field of view.



4. Universal Known Object Ranging scales. (UKOR-ARMY VARIANT) Within the field of view is a scale that provides exact numerical vertical and horizontal ranging stadia. The shooter can range of object of know size (I.E. 55 gallon drums, enemy transport vehicles, stop signs, the torso of the average sized enemy, etc.) Using this data, he can calculate distance to targets further out.



5. Holdover and Bullet Drop ranging in both inches and miliradians. The vertical scale is calibrated against known bullet/barrel length combinations for determining exact bullet drop at distance.



6. Inclination/declination scale-(IDS-ARMY VARIANT)this scaling allows the shooter to reference known tables for engaging targets lower or higher than the shooting position.



7. Vehicle horizontal speed indications. The Horizontal scale allows the shooter to measure relative horizontal speed of vehicles moving across the focal plane and provides precise measurement of the distance between point of impact and bullet aiming point when firing under conditions of extreme wind.

Reticle Pattern for CounterSniper Optics™ Scopes

The scope you have utilizes one of 3 patterns; a USA Army Sniper standard MilDot on our front focal plane models and 4x rear focal plane models, a proprietary close action tactical target cross hair on our 1-4x and 1-8x models our TDRM-DI on our 2-16 and 3-25 x models or an extreme tactical distance grid on our Front Focal plane 10-40 models. The most revolutionary new reticle is our TDRM-DI, which is spelled out below. All of the ranging data related to MilDots works with both the standard MilDot and with the TDRM's MilDot grids. 

Use of the CounterSniper TDRM-DI Tactical Distance Ranging MilDot- Double Impact. (Patent Pending)

The heart of the TDRM-DI reticle is based of the standard MilDot Ranging system, as currently taught by the sniper training of all branches of the US armed services. Specifically, the distance of 1 mil (Technical term the defined subtension of 1 miliradian) is equal to 3.6 inches at 100 yards. On both the near and far-field crosshairs, when viewed at the correct zoom power-setting, the distance between the center of each dot is 1 mil. If you know a targets size, you simply line up one edge of the target with the center cross-hairs and measure to the opposite side of the target. An ideal ranging object can be an enemy's helmet, a stop-sign or known-size road sign, a 55 gallon drum, etc.

As the 1 mil distance covers a lot of target area, it is essential to have additional ranging points built into the optic field. The dot's on the standard (not oval) MilDot reticle are equal to 2 tenths of a mil--.72 inches at one hundred yards. The TDRM-DI keeps these standard dimensions in our reticle, but adds additional ranging marks between them, allowing for much greater accuracy in both ranging and holdover shooting. These ranging stadia within the grid offer accuracy to 1/16th MOA, effectively a 3200% improvement in measurement accuracy over the standard Mildot Grid. 

It is important that the shooter knows whether he is using a First (Front) focal plane reticle or a second (rear) focal plane reticle. If your reticle changes size when you turn the zoom power ring, it is a first focal plane scope. If it doesn't it is a rear focal plane scope. CounterSniper manufactures both of these models, and each has its own benefits. With a front focal plane, the relative distance between the MilDot markings stays the same in proportion to the item being ranged. With a rear plane, this doesn't happen, but you don't have the problem of the cross hairs growing so large at high magnification that they occlude the target. With magnifications beyond 4 power, FFP scopes can have cross hairs so thick they completely cover targets at high magnifications. On our 8x models in excess of 2 power at the low end, the TDRM RFP configuration provides a revolutionary leap forward in distance ranging speed and accuracy. 

The TDRM-DI has a double set of MilDot cross hairs. This came of development with special operations groups that needed to take full advantage of the world's first true 8 power zoom optics made for them by CounterSniper, in which the same weapon system would be engaging targets practically within knife throwing distance, and in the same firefight be reaching out and touching enemy combatants to 1500 meters and more. 

The TDRM's centered MilDot grid is set for a zero to 300 meter distance. The lower MilDot grid is set for a 500 -1200 meter distance, depending on scope range, 500 in the 2-16x version and 800 in the 3-25x version. With two dedicated points of zero, both following the MilDot Grid, the sniper can have exact distances pre-determined as starting points based on weapon system (inclusive of bullet weight, cartridge power, barrel length, twist rate, etc). The scopes do not need dedicated bullet drop compensators for each new ballistics change. 

To Start, The operator selects his weapon system, and zeroes for his near field cross-hair. Once done, move the target to an extended range and fire off the lower (extended range) cross-hair. When the bullet strikes center impact at the extended range, the operator uses that now known range as the zero starting point for long distance engagements. It is a brilliantly simple concept and will work with any weapon system of any power, and needs minimal re-training if you have already used the standard Mil Dot grid. 

The TDRM-DI also effectively doubles the number of minutes of angle of target coverage that are visible within the targeting grid. If the shooter knows most targets will be engaged at great distances, he may choose the primary zero to be the extended range and work backwards for the near field cross hair. This is often used in the 1000 yard matches. 

Utilizing the Horizontal and Vertical and inclination declination and motion ranging systems. (VI/DRS) 

CounterSniper, not only offers above advantages of the double point of impact Mil-Dot grids, but includes separate measuring stadia for the purposes of rapidly acquiring range info on big objects and great distances. Both the vertical scale on the left side of the cross-hairs and the horizontal/vertical scales on the upper right quadrant allow for calculations in either English or Metric systems. 

In short, ranging and doing the math of the MilDot system is complicated, particularly under the duress of battle. These other ranging systems can help immensely. 

The left side ranging stadia is used for an absolute above/below reading off the center cross hair - how high a target is above or below the shooters horizontal shooting plane. If the shooter is elevated, simply hold the scope horizontal and perpendicular(at 90 degrees) to the earth-if your target is above or below, the leftward vertical ranging strata will give you the above or below reading of your target (of course, ranged for the appropriate distance). With a known power on the optic, weapon specific tables can be established for proper inclination/declination. 

With the horizontal/vertical stadia in the upper right, Large Object/ Motion Interdiction Quad (LOMR-QUAD, Army Variant) the shooter can instantly grab a distance read on larger objects of know size and get a distance range accordingly. You will get far greater reads of accuracy calculating the measurement of a known size aircraft or truck sitting on a runway than you will trying to image of a mechanic at 1000 or greater meters. This was brought on by the deployment of 30mm extreme range-large target sniping systems, which would allow small teams with elevation advantages to deny vehicle motion from ranges as far as 6 kilometers away. 

With the TDRM equipped optic, the shooter can spend an afternoon overlooking an airfield at known distance and come away with a wealth of useful items to range from. If a person knows the size of an F-18, and knows from his flash cards that enemy aircraft is x or y longer or shorter, he can use those larger objects to range off and then engage individual enemy combatants amongst the targets. The optical pounding that CounterSniper optics are built to take on these 30mm guns is one of the reasons that they have proven so reliable on .50 cal and .338 systems sniper deployed, and also the reason that CounterSniper is the only optics company in the world that offers an unconditional guarantee (inclusive of battle damage) on our titanium line and a conditional life time guarantee on our Aircraft aluminum line. (Please note our Contract Overruns offer our 10 yr. manufacturer warranty.) 

1.) Special ADDENDUM to the Operating Guide - CounterSniper TDRM-DI Tactical Distance Ranging Mildot-Double Impact.

2.) Special ADDENDUM for Utilizing the Horizontal/Vertical Inclination/Declination and Motion Ranging Systems. (VI/DRS) 

(VI/DRS) CounterSniper not only offers above advantages of the double point of impact Mil-Dot grids, but includes separate measuring stadia for the purposes of rapidly acquiring range info on big objects and great distances. Both the vertical scale on the left side of the cross-hairs and the horizontal/vertical scales on the upper right quadrant allow for calculations in either English or Metric systems. 

Ranging and doing the math of the MilDot system is complicated, particularly under the duress of battle. These other ranging systems can help immensely. 

LEFT Side Vertical Ranging Grid

1. The horizontal stadia on both the left and upper right quadrant are numerical correspondents of the MilDot Grid.

2. At 1000 yards, each four lines equals 1 yard (35.3 inches specifically, but inclusive of the thickness of the lines it reads exactly 1 yard). These numbers run 0, 4, 8, 12, 16, 20 etc. At 1000 yards a reading of 16 covers a distance of 4 yards. For English calculations in yards use the left side numbers. Each line represents 1 quarter mil. At 100 yards, the distance for every 4 stadia is 3.53 inches, but inclusive of line thickness it can be read at 3.6 inches, exactly 1 tenth of a yard. At 500 yards, four lines equals 1 half yard (17.67" inches, but 18" including line width). At 1000 yards, an elk, 6 feet at the head, would be 8 lines high-corresponding to two mils of the centergrid. At 1000 yards the shoulder through chest area, roughly 36" would be 4 lines high-corresponding to 1 mil. The simple beauty of the Countersniper System is that once you have the range in easy numbers, your holdover (for your chosen barrel length and load) can also be referenced numerically. For each distance, you can calculate the distance in numbers and correspond to the mil-dot grids in the crosshairs. If you have a holdover of 72 inches, simply pull up two full dots and you will have the equivalent of 72 inches of bullet drop at 1000 yards. Please note that bullet drop is barrel and load specific and the drop is logarithmic, not linear. A flat shooting magnum load may only drop 3 inches in the first 300 yards, but will drop 12 inches over the distance from 300 to 600 and an additional 24 inches over 300 to nine hundred. Bullet drop compensators that are not specific the weapon system and bullet weight and load wont give accurate points of aim at longer ranges on anything other than specific load and barrel length. At 1000 yards each horizontal stadia equals 1 foot, inclusive of line thickness. Each English side stadia equals one quarter of a milaradian.

3. The right side numbers equal meters, and they go 0, 5, 10, 15, 20... For metric calculations use this scale, as each 5 stadia equal 1 meter at 1000 yards, 1 half meter at 500 meters and 1 tenth meter at 100 meters. This allows for sportsman or those with military background or ranging equipment to use the same optic without converting. The mil dot system stays the same, but the operator can range in either yards or meters. It is important to note that while the Left Side Vertical Ranging Index offers distance measuring in both yards and meters, the mildot grid follows the US Army Standard mildot system. Metric shooters should convert their meter measurements to yards when utilizing the TDRM reticle. 100 Meters equals 109.36 yards. Simply multiply the meter distance by 10 percent and you will still be within a range of 9.3 yards at 1000 yards, a negligible effect on accuracy, without worrying about the decimals.

Determining Inclination/Declination in relevance to target Utilizing the TDRM Vertical Ranging Scale 

For Determining Inclination/Declination in relevance to ones target, the same absolute scales as above apply. The left side ranging stadia is used for an absolute above/below reading off the center cross hair - how high a target is above or below the shooters horizontal shooting plane. If the shooter is elevated, simply hold the scope horizontal and perpendicular (at 90 degrees) to the earth-if your target is above or below, the leftward vertical ranging strata will give you the above or below reading of your target (of course, ranged for the appropriate distance). With a known power on the optic, weapon specific tables can be established for proper inclination/declination. 

How high above or below the shooter is relative to his target is a critical factor in elevation settings. The human body has a remarkable ability to determine level center. Our inner ears provide the balance that keeps us perpetually upright and allows remarkable ability to level a weapon with the horizon. Visually ranging distance is an order of magnitude more difficult as the closeness together of our eyes makes estimating ranges beyond 50 yards a skill which must be acquired. To use the Inclination/Declination function of the CounterSniper TDRM reticle in an open field, align the weapon so the barrel is parallel to level ground. Even if you are position on an incline, your sense of balance will allow you to hold the rifle at 90 degrees to a straight vertical plane. If your hide allows, sweep the weapon so that the Left Side Vertical Ranging Scale can be seen in same sight picture as the target. If the target distance is 1000 yards, each stadia represents 9 inches, up to the 27 yard range (at 1000 feet) on the scale. For greater heights you can "stack" the LSVRS by finding a point on the target plane and then holding over again from there. The Key to accurate shot placement when engaging targets above or below you is to understand gravity. When shooting up hill you must aim above normal. When shooting downhill, you must aim lower on the target. Again, this bullet, barrel and distance dependent! 

Utilizing horizontal/vertical stadia in the upper right Large Object/ Motion Interdiction Quad (LOMR-QUAD, Army Variant) of the CounterSniper TDRM-DI Reticle. 

With the horizontal/vertical stadia in the upper right, Large Object/ Motion Ranging and Interdiction Quad (LOMR-QUAD, Army Variant) the shooter can instantly grab a distance read on larger objects of known size and get a distance range accordingly. You will get far greater reads of accuracy calculating the measurement of a known size aircraft or truck sitting on a runway than you will trying to range off a mechanic at 1000 or greater meters. This was brought on by the deployment of 30mm extreme range-large target sniping systems, which would allow small teams with elevation advantages to deny vehicle motion from ranges as far as 6 kilometers away. 

The Vertical Scale on the LOMR-QUAD, Army Variant is exactly the same in measurement and ranging operation as the Left Side Vertical Ranging Scale. At 1000 yards, each four lines equals 1 yard (35.3 inches specifically, but inclusive of the thickness of the lines it will read exactly 1 yard). These numbers run 0, 4, 8, 12, 16, 20 etc on the left side of the left scale. At 1000 yards a reading of 16 covers a distance of 4 yards. For English calculations in yards use the left side numbers. Each space represents 1 quarter mil. At 100 yards, the distance for every 4 stadia is 3.53 inches, but inclusive of line thickness it can be read at 3.6 inches, exactly 1 tenth of a yard. At 500 yards, four lines equals 1 half yard (17.67" inches, but 18" including line width). At 1000 yards, an elk, 6 feet at the head, would be 8 lines high-corresponding to two mils of the center grid. At 1000 yards the shoulder through chest area, roughly 36" would be 4 lines high corresponding to 1 mil. 

The right side numbers (on the left vertical ranging scale) equal meters, and they go 0, 5, 10, 15, 20... For metric calculations, use this scale, as each 5 stadia equal 1 meter at 1000 yards, 1 half meter at 500 meters and 1 tenth meter at 100 meters. This allows for sportsman or those with military backgrounds or ranging equipment to use the same optic without converting. The mil dot system stays the same, but the operator can range in either yards or meters. 

The Horizontal Scale of the LOMR-QUAD, Army Variant uses exactly the same measuring scale as the Vertical Scale, but in the horizontal plane. For ranging large objects such as standard large frame late model pick-up truck, if you have only a partial view range off the height of the vehicle. If you have a full front or side view, range off the view that gives you the biggest sight picture for greatest accuracy. Simply place the closest corner of the vehicle or what you can see of it at the intersection of the LOMI-QUAD grid. A pick-up truck that is six feet tall at 1000 yards will be 8 stadia markings high. If you have a front view, a six foot wide pick-up at a thousand yards will be 8 stadia markings wide. If you have a side view of the truck at 12 feet long, at 1000 yards if will be 16 stadia markings wide. (Multiply meters by 10% if using metric to give you the readings in yards.) Correspondingly, if that pick up truck appears 16 stadia markings high it is 500 yards away, and so on. 

Determining Speed of Moving Targets with The TDRM-DI LOMR Motion Ranging and Interdiction Quad 

Please Note; Scales related to the interdiction of moving vehicles are considered to be an exclusively non-sporting application under the International Traffic in Arms Act. The information below is intended for sporting purposes only for game animals at a walk, trot or run. Details on military applications can only be released on Defense Dept request. These applications involve vehicles or aircraft who are moving generally towards a shooter where the increase in size over time would allow snipers the proper lead. 

For Sporting Applications, the Horizontal Scale fills yet another function as a speed gage for moving targets. Simply put, at slow walking speed about 2 feet per second, the animal would cross the range of the Horizontal Scale in 13.5 seconds To measure the speed, put the scope viewpoint at one end of the Horizontal Motion Scale on the animal as it enters your view and hold steady as the animal walks across the length of the grid. To cover the 9 horizontal yards would take 13.5 seconds. A stopwatch is helpful, but you can get close by counting "1, one thousand, 2 one thousand, 3 one thousand, etc." At 500 yards a walking animal will cover the distance in the horizontal scale in 6.75 seconds. A trotting game animal will increase these speeds by a factor of two. Determining how much "lead" is a factor of bullet weight, but this horizontal scale is useful in getting a sense of the targets speed, particularly on treeless planes, grass lands, desert, etc. 

With the TDRM equipped optic, the shooter can spend an afternoon overlooking an airfield at known distance and come away with a wealth of useful items to range from. If a person knows the size of an F-18, and knows from his flash cards that enemy aircraft is x or y longer or shorter, he can use those larger objects to range off and then engage individual enemy combatants amongst the targets. The optical pounding that CounterSniper optics are built to take on these 30mm guns is one of the reasons that they have proven so reliable on .50 cal and .338 systems sniper deployed, and also the reason that CounterSniper is the only optics company in the world that offers an unconditional guarantee (inclusive of battle damage) on our titanium line and a conditional life-time guarantee on our Aircraft aluminum line. (Please note our NDI/ COTS/ or Contract Overruns offer a full 10 yr. manufacturer warranty.) 

Product Warranty

Used as above your scope will provide you with a lifetime of reliable service. CounterSniper™ offers the best warranty of any tactical scope in the world. For our Titanium Line, the scope is unconditionally warranted for life and includes a repair or replacement warrantee for battle incurred impact damage. Certain exceptions apply, primarily for malicious destruction, but any reasonable damage incurred in a war zone or on a tactical law enforcement operation will get you an as-new or brand new replacement. 

For Factory New Unissued Models in the Aluminum line, the warranty is also Lifetime, covering manufacturing defects, albeit battle and accidental damage and normal wear and tear are not covered. Periodically, we make available contract designate, NDI'S (Non Developmental Item) or overruns and eval units. These items carry a ten year warranty against manufacturing defects and offer a fantastic value, as they are re-inspected to perform as new. We have a quick and affordable repair department for the repair of any damage you may incur under any circumstances. In all cases your warranty card must be on file. Please be sure to send in your warranty card! This also allows us to contact you with new products or enhancements that may be of value to you in the future. We do not sell, rent or otherwise publish or share our databases. We reserve the right to substitute a newer or improved model if the existing model cannot be returned to spec. Should you need warranty service, return it to us freight prepaid with a photocopy of your receipt and photocopy of your warranty card