CATS™ - Horus Vision
Contents
1. TARGET ZERO TARGET y ZERO 0 0 9 6 IN 1 MIL 3 6 IN 1 MIL 3 6 IN 1 MIL HORUS VISION LLC INCHES MILS DATA INFORMATION to be Shot at 100 YARDS WN NNN NNN NN HORUS VISION CATS 1 2 3 NOT TO SCALE GRAPHIC ILLUSTRATION 22 CANT The Long range rifleman must eliminate cant in order to increase his percentage of Ist Round Hits The greater the cant the greater the probability you will miss the target especially as the range increases Cant occurs when the rifle 1s not held vertically On scoped long range rifles the problem 15 exacerbated The real culprit 15 not knowing that your sighting system 1s perpendicular to the center of the rifle bore Being perpendicular to the ground is only the beginning of the issue To start the center of the scope has to be perpendicular to the bore of the rifle To further complicate matters many scope bases and rings may be slightly off center The bore of the barrel and the action could also be minimally off center Finally the vertical crosshair is almost never exactly perpendicular to the rifle bore Horus Series II CATS targets are designed to show the maximal lateral displacement based on the elevation selection you are shooting The lateral distance shown on the target gives you feed back information to correct the cant By correcting cant you2. 1114711 NU ENI NS lt IND L Y FINU 10 D KNH CHH 31 rt TTT VN DATA INFORMATION HORUS VISION LLC MILS METRIC to be Shot at 100 METERS HORUS VISION CATS NOT TO SCALE GRAPHIC ILLUSTRATION SERIES 3 FIRING SEQUENCE As described on page 30 35 NOTE THERE IS A LINEAR SHIFT A CANT PROBLEM IS INDICATED OFF DEAD CENTER CANT COMPASS 14 12 12 14 O 15 HE 13 Mil BVZ WANE EZE DATA INFORMATION AN MILS METRIC to be Shot at 100 METERS HORUS VISION CATS NOT TO SCALE GRAPHIC ILLUSTRATION NV NS HORUS VISION LLC 15 Mil CH HO 13 Mil OHOH 16 Mil GH 36 SERIES 3 ANALYSIS OF PROBLEMS ENLARGEMENT NTS 1 MOA OR 1 1 2 MOA OR 1 2 LLKEDS GU INST SN GOOD SHOT PLACEMENT WITHIN 1 2 MOA ELEVATION OK BUT WINDAGE IS OFF THIS EXAMPLE SHOWS A M
3. gt oe A d 2 Mils to L gt 5 4 Mils to L 2 4 a Using only elevation windage knobs at each elevation of Mils 8 Mils 10 Mils 12 Mils 14 Mils 16 Mils b Fire the following Windage sequence 2 Mils to R gt Fire1 Shot 4 Mils to R gt Fuel Shot 2 Mils to L gt Fuel Shot 4 Mils to R gt 1 Shot 5 Naturally you can make up your own firing Sequence 30 SHOOTING SKILL IMPROVEMENT The greatest benefit of CATS is realized with the Series III targets The two 2 primary benefits are 1 A method to analyze and improve your individual shooting skills 2 An instructional aid to train a new generation of long range riflemen Since all shooting is done at 100 yards meters you can focus on shooting technique and use of the riflescope With a perfect zero on your gun you have eliminated down range environmental factors which may influence bullet performance When the Series III target is properly mounted and placed at exactly 100 yards meters it represents a highly calibrated window located between the gun and the theoretical long range target This window allows the rifleman the opportunity to check the accuracy of his performance since we can calculate the exact point of bullet impact on the CATS III target If the point of impact 15 off at 100 yards meters then it will be off by some ever increasing linear amount as the
4. 8 99 Reticles Scopes Software Callbration Spotting CATS Calibration and Training System Targeting Validation System for the 21 Century Long Range Specialist User s Manual HORUS By Dennis Sammut November 18 2010 Horus Vision LLC All rights reserved Eye of the Falcon Horus Vision LLC MISSION STATEMENT HORUS VISION IS DEDICATED TO PROVIDING THE RIFLEMAN THE TOOLS TO YIELD THE HIGHEST PROBABILITY OF A FIRST ROUND HIT AT EXTENDED RANGES Ist Edition January 24 2008 O 2010 Horus Vision LLC Rights Reserved Patent Pending PATENI INFORMATION HORUS VISION and the EYE OF THE FALCON logo are registered trademarks of Horus Vision LLC and may not be used in any manner without express permission from Horus Vision LLC SECOND SHOT CORRECTION TACTICAL SOLUTIONS TARGETING SOLUTIONS ASLI ATRAG and CATS are trademarks of HorusVision LLC and may not be used in any manner without express permission from Horus Vision LLC Horus Vision software products and written and visual materials are protected by U S and International copyright protection and may not be used in any manner without express permission from Horus Vision LLC A wide variety of scopes reticles software computer systems and other products associated with shooting and ballistics Horus Vision Systems are exclusively owned by Horus Vision LLC and are protected by issued patents in the United States including U S Pa
5. either 100 yard meter A perfect zero is very important to assess the accuracy of your riflescope If you are using a 2nd focal plane variable power riflescope use the correct power setting given by the manufacturer to insure accurate elevation adjustments If you are using a 1 focal plane variable power riflescope you can use any power setting Note If you are unsure if your riflescope 15 in the Ist or 2nd plane explanation of the differences follows RIFLESCOPES CATS Targets will work with the 3 basic types of optical riflescopes 1 First focal plane variable power 2 Second focal plane variable power 3 Fixed power Note For those who are not sure what type of variable riflescope they have here 1s a simple explanation If your variable power scope is in the first focal objective plane all elevation and windage adjustment clicks are valid regardless of the power setting and the point of impact will not change Most European and a few American scopes are in the first focal plane first plane scope can usually be identified by looking through the scope while changing the power If the reticle changes size the scope 15 in the first focal objective plane If the reticle does not change size and remains a constant size the scope is in the second ocular plane If your variable power scope is in the second ocular plane the elevation and windage adjustment values are not valid for all power settin
6. with a shooting sequence elevation and windage values This Data Card allows the rifleman to take maximal advantage of the Series III targets See page 34 to see a sample data card 32 DATA CARD FIRING SEQUENCE SHOT NUMBER ELEVATION WINDAGE SCORE NUMBER AT THAT POSITION 1 2 4 1 2 21 2 2 1 2 SEQUENCE z NINI NT RR Re 4 d A NUMBER OF SHOTS AT THAT POSITION DATA CARD FIRING SEQUENCE 4 5 1 2 2 1 2 2 1 2 MOA ion ton MOR MOA MOA aa M 99 99 U 92 x c c c c Illustrative example of a test designed by a rifleman or instructor 34 42 ANI 44 NU AN AU ANI NU 6 38 37 39 NU LENI IN T 40 W NU CHH ANI CHH 33 32 34 LAY ESZ IN AN 35 EHHH 13 12 9 INS INS 14 ANE BENZA AW Cp 15 NY IN BN 7 L HH
7. 26 1 18 dh 41 Disclaimer Please be careful when using firearms mistake in judgment a lapse of attention a malfunction of any kind can result serious injury or death Bad things sometimes happen to good people Please observe the following firearm safety rules at all times 1 Treat every gun as 1f it were always loaded even if you have verified that it 1s not 2 Never allow the muzzle of a firearm to point at anything that you are not willing to destroy 3 Keep your finger off the trigger until you are ready to shoot 4 Be sure of your target and what 1s beyond Once the bullet leaves the barrel there is no calling it back The information in this manual while believed to be reasonably accurate as of the date of publication 15 not warranted nor represented to be accurate correct or useful for any particular purpose Use the information in this manual with caution and common sense and verify the information with respect to your own firearms before use The author and publishing company accept no responsibility for errors in the information presented herein or for accidents injuries damage or any other problems which might arise as a result of your use of the information contained in this book and expressly disclaim all liability for injuries death and damages whether direct incidental consequential punitive or otherwise We are also not responsible for tornadoes earthquakes fir
8. are eliminating the lateral movement displacement and also a slight vertical displacement DOES MY RIFLE HAVE A CANT PROBLEM 1 Examine the Series II CATS Target 2 Draw a line starting at the dead center of the interaction of the vertical and horizontal crosshair that connects all the bullet impact points 3 If all impact points are located on the heavy black vertical crosshair you do not have a cant problem 4 Ifall impact points form a straight line to either the right or the left of the main vertical target line you have a cant error If you extend that line to the top of the target you can easily read the number of degrees in your cant error 23 CORRECTION OF CANT ERROR 1 Loosen the scope rings Rotate the scope in the opposite direction of the cant shown on the target Sometimes only a very small amount of rotation 1s necessary Tighten the scope rings 2 Re zero your rifle using a Series I CATS Target Be sure to check that you have a repeatable zero 3 Set up a Series II CATS target Use the same method outlined earlier for shooting the Series II target 4 Examine the target upon completion of shooting If all shots are within the dark vertical line you have resolved the cant 1ssue 5 If all impact points form a straight line either to the right or left of the main vertical target line you still have a cant error Start over with the procedure outlined above until the error 1s corrected 24 25 SE
9. crosshairs in your riflescope are perfectly aligned with the Series II Target lines you will have a perfect dead center shot Fire 2 shots to confirm your Zero For each subsequent shot use the same method of overlaying the vertical and horizontal crosshair All adjustments to test values are made using the elevation adjustment knob on the riflescope If using a Series II target calibrated in true minute of angle TMOA simply move the elevation knob 5 MOA for each subsequent shot If using a Series II target calibrated in U S M C Mils simply move the elevation knob one U S M C Mil for each subsequent shot For an illustrative example we will use a scope calibrated 1n Mils To compliment the scope we selected a Series II target calibrated in Mils After firing your 2 shots to confirm your target zero point you turn your elevation knob to the 1 Mil position and fire 1 shot Turn the elevation knob to the 2 Mil position and fire Repeat the procedure until your scope runs out of adjustment or until you run out of target Switch now to Target 2 Center Using the maximum elevation setting reached on Target 1 Find that position on Target 2 For all shots you must use the same method of overlaying the vertical and horizontal crosshair to insure repeatability Fire 2 shots to confirm that the maximum elevation position is on Target 2 Turn the elevation knob down 1 Mil and fire Repeat this procedure until you reach the zero poin
10. fire again Continue this procedure 8 more times Carefully examine the target 1f all 10 shots are vertically aligned and spaced exactly 1 centimeter apart when measured center to center hole After checking the target recheck your scope s zero by giving your scope s elevation knob 10 clicks down Fire and recheck the target The scope should have a perfect return to zero If the scope fails this task I suggest the scope be returned to the unit armory or the manufacturer for repair 14 SERIES II CATS TARGET GENERAL DESCRIPTION Please see page 16 for a graphic illustration of the Series II CATS target calibrated in U S M C Mils which 15 designed to be shot at 100 yards The targets listed below are very similar appearance except they are calibrated differently to accommodate your riflescope s calibration and the rifle range you have available SERIES II TARGETS AVAILABLE RIFLESCOPE ELEVATION ADJUSTMENT VALUES RANGE DISTANCE U S M C MILS 100 METERS U S M C MILS 100 YARDS TMOA TRUE MINUTE OF ANGLE 100 YARDS SMOA SHOOTERS MINUTE OF ANGLE 100 YARDS USES 1 You can validate the accuracy and repeatability of the numerical values and click adjustment on your riflescope s elevation adjustment knob 2 Provide an extremely accurate method to check cant 3 Can be used to zero your rifle The primary use of Series II target 1s to validate the accuracy and repeatability of your elevation adjustment knob regardless
11. range increases ILLUSTRATION Shooting window at 100 yards With Projected Values for 500 1000 1500 and 2000 yards This table will give you a realistic 1dea how shooting technique sighting skills and cant can effect down range performance Actual inches off Inches off center Inches off center Inches off center Inches off center center by live fire at 500 yds at 1000 yds at 1500 yds at 2000 yds at 100 yds This chart allows the rifleman to quantify the results of his shooting performance at any number of ranges For this illustration a Series III target would be set up at exactly 100 yards 31 If you were using a Series III target calibrated 1n Mils and set up at exactly 100 meters you would be using centimeters instead of inches The Series III CATS target is a perfect vehicle for riflemen to analyze and improve their shooting skills We recommend the following method For the illustrative example below we are using a Series III calibrated in USMC Mils and a riflescope with elevation and windage turret knobs calibrated 1n Mils 1 Set up the Series III target as recommended 2 Use the exact shooting position that you would normally use for most long range shots For large caliber guns use a standing bench rest position because it allows the shooter to get directly behind the gun in a comfortable position With this position I can easily handle heavy recoil 1s easily handled 3 Establish a Data Card
12. 6 Horus Vision LLC All Rights Reserved 24 ge 4 2 8e 4 ON 24 4 6 ge 2e 4 ge 2 SERIES 1 13 Note For Police and Federal agencies the Series I target can provide a bonafide record that each scoped tactical rifle has been zeroed A record using Series I targets every 3 or 4 months to show you have documentation of rifle calibration verifying a perfect zero could be invaluable Military Long Range Snipers Depending on your area of operation it might be necessary to adjust your zero because of altitude and or temperature Readjustment is absolutely necessary if you are using a 500 or 1000 yard meter zero If you do not have the opportunity to correct your zero by live fire in your new operational area the values for adjusting your elevation on your riflescope can be calculated by using Horus Vision s ATrag Software You must have confidence that your riflescope s elevation knob can make small accurate adjustments The Series I target can test and verify your scope s ability to make accurate 1 10 mil corrections using the elevation knob This verification 1s absolutely essential 1f you intend to engage targets at 800 meters and beyond Method Using a new Series I Target fire 2 shots to confirm your 100 meter zero Move the elevation knob 1 click 1 10 mil up and fire Move the elevation knob 1 more click up and
13. IL CALIBRATED TARGET 37 ANALYSIS OF PROBLEMS ENLARGEMENT NTS 1 ELEVATION IS OFF WINDAGE IS OK 1 BOTH WINDAGE amp ELEVATION NEED CORRECTION 2 POSSIBLE SHOOTING TECHNIC PROBLEM 1 POSSIBLY A WANDERING ZERO 2 POSSIBLY A BAD SHOOTING TECHNIC 3 COMBINATION PROBLEM WITH ELEVATION amp WINDAGE 38 4 With your best shooting technique engage the target Follow the shooting sequence you have outlined At any point during the shooting sequence you can stop and check the target and CRITIC your shooting performance Note If you see that you are unable to shoot at a consistent MOA level or less stop Re evaluate your shooting and or scope technique Make the changes which you believe will yield the desired results Paste the holes in the target Once again engage the target Start your shooting sequence outlined on your data card 5 A perfect shooting performance requires all target points listed on e your data card to show sub MOA shot placement A consistent sub gt performance is extremely difficult Realistically when you achieve a goal of 1 MOA or less for each of the targeting points on the Series III target you can increase the level of difficulty Here are some recommended methods to improve skills Feel Free to develop your own methods Establish an elapsed time to shoot the firing sequence shown on your data card Work against this time criteria while trying to improve your a
14. MIL TEST TEST TEST pru SHOTS SHOTS SHOTS 3 6 IN 1 MIL 3 6 IN 1 MIL 3 6 IN 1 MIL TARGET TARGET TARGET ZERO ZERO ZERO 2 0 0 0 0 3 6 IN 1 MIL 3 6 IN 1 MIL 3 6 IN 1 MIL HORUS VISION LLC INCHES MILS DATA INFORMATION SIN NINN EM SERINE to be Shot at 100 YARDS VERUS SCRI SO QU SR 1 2 3 NOT TO SCALE GRAPHIC ILLUSTRATION 21 SERIES 2 TARGETS ANALYSIS OF PROBLEMS TARGET INDICATES A POSSIBLE SCOPE PROBLEM RESULTING IN A SPRING TARGET SHOWS SCOPE THIS TARGET SHOWS A TENSION PROBLEM BETWEEN HAS A PROBLEM SERIOUS CANT PROBLEM ELEVATION amp WINDAGE ADJUSTING FOR CORRECT TO THE LEFT ERECTOR MECHANISM ELEVATION C MT 1 2 o a 2 T Be 227 21 1 OE A 82 8 IN 23 MIL 82 8 IN 23 MIL 82 8 IN 23 MIL 79 2 IN 22 MIL 79 2 IN 22 MIL 79 2 IN 22 MIL 75 6 IN 21 MIL 75 6 IN 21 MIL 75 6 IN 21 MIL 72 0 IN 20 MIL 72 0 IN 20 MIL 72 0 IN 20 MIL 68 4 IN 19 MIL 68 4 IN 68 4 IN 19 MIL 64 8 IN M 18 MIL 64 8 IN 18 MIL 64 8 IN 18 MIL 61 2 IN 17 MIL 61 2 IN 17 MIL 61 2 IN 17 MIL 18 0 IN 5 5 MIL 18 0 IN 5 MIL 18 0 IN 5 MIL 14 4 4 MIL 14 4 IN 4 MIL 14 4 IN 4 MIL 10 8 IN 3 MIL 10 8 IN 3 MIL 10 8 IN 3 MIL 7 2 IN 2 MIL 7 2 IN 2 MIL 7 2 IN 2 MIL TEST TEST TEST x SHOTS SHOTS 2 SHOTS 3 6 IN 1 MIL 3 6 IN 1 MIL 3 6 IN 1 MIL
15. N AN AN 6 AN AN A E SW W 5322 W W W W MEL aec 2 mI HS AN 25 aS A E AN SZ Y Y Y SZ Y SZ S a 1 1 1 9 JL JA J BE i 2n AL JE MA 2 A A 9 A AN AN A AN 2 57 we 5 e S 5 e eo NOT TO SCALE GRAPHIC ILLUSTRATION MILS METRIC to be Shot at 100 METERS SERIES 3 HORUS VISION CATS 2 ZERO AREA 7 HORUS VISION LLC PHONE 1 650 588 8862 FAX 1 650 588 6264 WWW HORUSVISION COM it 2006 Horus Vision LLC All Rights Reserved TMOA to be Shot at 100 YARDS HORUS VISION CATS Calibrating Accuracy Target System Target Series 3 get Skill Calibration amp Training Instructions 1 Shoot at exactly 100 Yards 2 Target must be mounted exactly vertical 3 Shoot perpendicular to face of target 4 Rifle should be level with horizontal crosshair sition Position of Sun emperature Wind Speed Wind Direction Weather Conditions Scope Make amp Model Scope Seriali Power Reticle Elevalioi amp Wiridage Cali
16. RIES CATS TARGET GENERAL DESCRIPTION Please see page 27 for a graphic illustration of the Series III CATS target calibrated in U S M C Mils which 15 designed to be shot at 100 yards The secondary target lines were purposely drawn very light so they can not be seen at 100 yards meters when looking through the riflescope at high power If you can t see these secondary target lines you are obviously deprived of using them to hit the target at the designated point You are only using the intersection of the main horizontal and vertical crosshair lines as your aim point Your bullet impact point on the target 1s being adjusted using the elevation and windage knobs or optically using the Horus reticle Simply the Series HI CATS targets forces you to rely on your scope Those light secondary lines eliminate our natural desire to consciously or unconsciously fudge to gain the results we desire The targets listed below are very similar in appearance except that they are calibrated differently to accommodate your riflescope s calibration and the rifle range you have available SERIES III TARGETS AV AILABLE RIFLESCOPE ELEVATION ADJUSTMENT RANGE DISTANCE U S M C MILS 100 METERS U S M C MILS 100 YARDS TMOA True Minute Of Angle 100 YARDS 26 ustment of both the elevation windage adjustment knobs in your riflescope 2 Provide an extremely accurate method to check cant CANT COMPASS extended range sh
17. ant for extreme long range shots HOW TO USE METHOD See Range Preparation Page 9 See Target Preparation Page 10 Validation of accuracy and repeatability of the numerical and click adjustment values for windage and elevation knobs on your riflescope To validate the combination of windage and elevation values we recommend following the shooting Pattern on the Series 111 target For illustrated purposes we will use a scope that features elevation and windage adjustment values in mils To compliment the scope we have selected a Series III CATS Target calibrated Mils 29 1 Fire 2 shots to confirm your weapon 15 synchronized with the target Zero point You must have a perfect zero to continue fyou do not have a perfect zero Stop RE ZERO your rifle 2 a Use the intersection of the Main Verticle and Main Horizontal Cross hairs as your primary targeting point Note the vertical and horizontal crosshair make an upside down cross b Do not adjust your elevation knob zero set at 100 c Move windage 2 Mils to R gt Fuel Shot d ec ec CG A Mils to R ERN ec ec ec e ec 66 414 2 Mils to L DONEC CG ec ec f 66 ec 414 4 Mils to L ONERE EE ec ec 66 3 a Adjust your elevation knob 2 Mils Up Remember all adjustments for windage and elevation are made by adjusting the scope s elevation and windage adjustment knobs b Move Windage 2 Mils to R gt 1 Shot c 25 5 4 Mils to R
18. braled MILS TMOA SMOA n Increments 1 click equals Gun Make Model Barrel Length Gun Serial Caliber Twist Ammo Brand Caliber Bullet amp Wt 28 Note The true value of the Series III target 1s that 1t requires only 100 meter yard range The rifleman and or instructor can easily evaluate the shooting performance Singular or compound problems related to poor shooting techniques improper use of the optics cant or weapon problems can be readily identified Whether you have a Ist or 2nd focal plane riflescope the Series III CATS allows the rifleman to validate the accuracy and repeatability of his riflescopes elevation and windage knobs With numerous riflescopes the inability of fired shots to properly calibrate on the Series III paper targets sometimes occurs as the elevation adjustment 15 increased and the degree of windage adjustment 1s also increased or decreased A Point of Failure is established when the elevation and windage adjustments pass the norms for proper calibration Simply you have validated your weapon s ability to properly track up to the point of failure Beyond the established point of failure your ability to make accurate shots decreases Remember The Rifleman s ability to engage long range targets 15 determined by his scope s ability to yield accurate elevation and windage adjustment Accurate mounting of the riflescope to eliminate cant 1s very import
19. cal Mounting Of Target When mounting the CATS target on the target frame it is absolutely essential that CATS targets are mounted exactly vertical The point of measurement on the CATS target should be the main vertical crosshair line on the target or any secondary point We recommend the use of a high quality 48 carpenter s level A plumb bob would also yield very accurate true vertical line for vertical target positioning CATS TARGETS CATS Combination Accuracy Targeting System CATS is composed of a series of 4 different types of targets targets are designed to be shot at exactly 100 yards meters Each target in the series is designed for a specific purpose Series I 1 Zeroing Series II 1 Validate the accuracy and repeatability of numerical values and click adjustments of your riflescopes elevation adjustment knobs 2 Cant Validation Series 1 Validate the accuracy and repeatability of the numerical values and click adjustments of both the elevation and windage 2 Cant Validation 3 Evaluation and self improvement in Rifle Skills 4 Training Series IV 1 Self improvement and or testing or sighting skills 2 Instruction and Training of Riflemen Series 1 CATS TARGET GENERAL DESCRIPTION The Series 1s used for initial zeroing of your rifle and rechecking that zero Look at the calibration value for Series I targets Find one that matches the calibration valu
20. ccuracy b Speed drills Set an unrealistically short time to complete the entire c firing sequence on the data card Force yourself to go for it Shoot at different times of the day The sun will be in different positions relative to the target Try shooting at dawn and dusk under twilight conditions You will discover that light 1s a critical factor in proper shot placement d Shootat night Try lighting the target from different positions Place a light bulb directly in front of the target Try placing the single light to the side 90 degrees of the target Try illuminating the target with a spot light placed behind you Use night vision devices attached to your scope 39 Using Series III CATS as an Instruction aid to train long range riflemen Accurate long range shooting involves numerous factors including shooting technique rifle specifics ammunition sighting system and environmental factors By using CATS targets at exactly 100 yards meters specific factors such as rifle specifics ammunition environmental conditions become constants because of the short range In other words these factors will have little or no effect at 100 yards meters once a perfect zero 1s established The Series III CATS becomes a valuable instructional tool because the shooting instruction can focus specifically on shooting technique and the sighting system Methods of Instruction These are only suggestions Instructors should develop the
21. e to the adjustment value imprinted on the elevation and windage knobs of the riflescope mounted on your rifle The CATS Series I and the riflescope should now be in sync SERIES I TARGETS AVAILABLE RIFLESCOPE ELEVATION ADJUSTMENT RANGE DISTANCE U S M C MILS 100 METERS U S M C MILS 100 YARDS TMOA TRUE MINUTE OF ANGLE 100 YARDS Getting Started See Range Preparation Page 9 See Target Preparation Page 10 At the range with the aid of good spotting scope you can readily see the point of impact with the calibrated lines in the background You can easily see how many clicks are necessary to bring your scope into adjustment period once zeroed on the target be sure to fire at least 3 confirmed rounds Test amp Record Once you have obtained a perfect zero put up a fresh target Shoot 3 shots to confirm that zero remove that target and record rifle ammunition and scope data on the bottom of the target in the space provided Congratulations you have established a base line to judge your rifle scope and ammunition 12 6 4 6 NZ HORUS VISION LLC HORUS VISION CATS PHONE 1 650 588 8862 Target Series 1 Sight in Target FAX 1 650 588 6264 Target 36 10 WWW HORUSVISION COM MIL Radian Metric Sight Adjustment Fatent Pending Shoot at exactly 100 Yards 200
22. ecrackers that go off in your hand mad cow diseases floods failed crops or El Nino So be careful and remember the four rules stated above Foreword Yearly a virtual mountain of written information is spewed forth from the word processor of gun writers These topics cover a broad spectrum of topics such as tuning up your rifle for more accuracy hand loading tips evaluating new products which cartridge 1s best ad infinitum When the subject is riflescopes the writer s primary focus is on external looks dimensions weight reticle image resolution power range and similar physical characteristics It is impossible to find an article that evaluates a particular riflescope or runs a test on a group of a riflescope s ability to accurately respond to elevation and windage knob adjustments Since long range shooting requires elevation and windage adjustments to accurately engage distant targets It 1s apparent that a riflescope s elevation and windage adjustment knobs have to yield precise and accurate adjustments When a rifleman engages distant targets and misses he usually blames the ammo the rifle and finally himself The riflescope 1s almost never looked at as contributing to errors The rifleman has spent a lot of money on his riflescope He falsely assumes it is a perfectly calibrated optical instrument for shooting It 1s noteworthy to mention that many police departments and military units have never calibrated their tactica
23. gs of the variable power scope When shooting at different power settings the point of impact will most likely change To find the exact power setting where the calibration values of the adjustment knobs are valid and true you must read the scope s instruction manual call the manufacturer check the catalog or use other means The exact power setting 1s extremely important and must be determined If your scope has Mil DOTS that exact power setting 1s extremely important when using Mil DOTS to determine range A wrong power setting will yield an incorrect answer for range Warning When long range shots are to be taken after the proper number of clicks have been dialed in for elevation and windage you must be sure that the power adjustment 15 set to the correct power Failure to use the correct power means your bullet could miss the target Fixed Power Scopes have only one power and thus all elevation and windage values are valid 18 3 4 5 6 You should select a shooting position that gives your rifle a solid repeatable position The rifleman should be personally comfortable with the position Look through your riflescope at the Series II target Be sure the parallax 1s properly adjusted so the target 1s sharp and clear For a perfect zero on the target simply overlay the vertical and horizontal crosshair in the riflescope with the heavy horizontal and vertical target lines When both the vertical and horizontal
24. ir own curriculum 1 To start we suggest using the techniques outlined the preceding section labeled The CATS Series III This is a perfect vehicle for riflemen to analyze and improve their shooting technique 2 Students should be instructed in the proper use of anti cant devices such as a Scope Level b Horus Vision s ASLI c MGW Bubble Level They should be encouraged to use the anti cant device on all shots 3 The instructor should call shot coordinates and the student should engage the Series III target ASAP 4 Instructor can state range and let students calculate the hold and then engage the Series III target 40 SERIES IV CATS TARGET The Series IV is the most difficult and challenging in the CATS Series of targets This target 1s designed to challenge the individual rifleman s proficiency and or to test the abilities of newly minted long range shooters To obtain a high number of well placed shots the rifleman must be extremely well versed and perfect in his shooting technique in combination with a complete mastery of his riflescope So to further complicate and increase the level of difficulty the rifleman must rely on his anti cant device GENERAL DESCRIPTION Please see page 42 for a graphic illustration of the Series IV CAT target calibrated in USMC Mils which 1s designed to be shot at 100 yards On the series IV all primary and secondary target lines were purposely drawn very light so they can n
25. l riflescope Since no low tech affordable riflescope testing system existed in the public domain Horus Vision invented the Combination Accuracy Targeting System CATS to fill this void CATS 15 designed specifically to be used at 100 yards meters You do not need a 500 1000 or 2000 yd meter range In the course of testing and development we discovered the CATS targets had additional value In addition to elevation and windage you could identify problems with cant run out the point on elevation where the scope no longer tracks perpendicular and establish maximal elevation The most intriguing discovery was that one could improve one s shooting ability The CATS targets can be used to train the long range rifleman while using a 100 yd meter range Rifle Preparation Preparation for using CATS 1 Your Rifle a Make sure your rifle is 1n good operating condition If you have the slightest doubt have a competent gunsmith check your rifle b Be sure your rifle 1s clean Be sure all screws are properly tightened to the proper torque This includes the scope base and rings You may wish to ensure that they do not shoot loose by using blue LocTite on them 2 Select the ammunition that consistently shoots 1 MOA or 1655 Preferably 7 at 100 yds meters Most important you should use the ammunition that you will use the field 3 Obtain accurate muzzle velocity value for your
26. of whether your scope is in the Ist or 2nd focal plane With the advent of PDA s Personal Digital Assistant that can be used in the field to calculate exact elevation holdover your riflescope adjustments are absolutely critical to engaging targets at long range Poor adjustment knob accuracy and repeatability equate to missed opportunities 15 CANT COMPASS 1 MIL 3 6 IN DATA INFORMATION HORUS VISION LLC INCHES MILS ee tine to be Shot at 100 YARDS nnn HORUS VISION CATS 1 2 NOT TO SCALE GRAPHIC ILLUSTRATION SERIES 2 16 since riflescope adjustment knobs are mechanical devices they are subject to wear that can result in skipping failure to move jumping sticking or outright failure of the whole unit No riflescope regardless of cost 15 immune to problems To insure success in the field you should periodically use the Series II target to revalidate the accuracy of your riflescope rifle combination data should be recorded on the bottom of the target The target should be properly stored for future reference They may be very important for checking future performance HOW TO USE METHOD 1 See Range Preparation Page 9 See Target Preparation Page 10 2 Be sure your scope rifle combination has an absolutely perfect zero at
27. ooting skills 4 As a powerful educational tool for instructing aspiring riflemen in the art of long range shooting 1 You can validate the accuracy and repeatability of the numerical values and ad 3 Can be used by the individual rifleman to evaluate and improve his USES z z z z z x e E EB A A WY W WY Se SW Y I 1 Bi 1 5 1 M dle 1 Jn E 1 gt N N N N D Se A NS v 2 1 al ES he uL 1 lt 65 edu x 1 NL a a a AN A AN AN 6 W S S SZ S S NS Ore E ag 72 aN S aS AY aS SZ SZ SZ Y SZ Y SZ d ap Ar IL X N al e OE ixl me ues c aN 2S AS AY paco 07 X X i 0 cabe ele alle zia 1 ele A
28. ot be seen at 100 yards meters when looking through the riflescope at high power If you can t see any lines at 100 yards meters the rifleman 15 obviously deprived of using reference lines to accurately hit the target at the designated point The rifleman can only use the small square targeting box located on the bottom of the target The bullet impact point on the target 1s being adjusted using the elevation and windage knobs or optically using the Horus reticle In addition the rifle must be held perpendicular to avoid cant Simply the Series IV CATS target forces you to employ a superior shooting technique and develop superior riflescope skills Those light lines eliminate our natural desire to consciously unconsciously fudge to gain the results we desire To increase the level of difficulty the rifleman and or instructor can attach the Series IV target to a large piece of cardboard Using a pair of scissors or razor cutter you can cut along the dotted pattern located around the edge of the target Cutting the Series IV target in this manner removes any vertical or horizontal reference points for the rifleman to use when engaging the target See illustration on page 42 4 RIFLESCOPE ELEVATION ADJUSTMENT U S M C MILS U S M C MILS TMOA True Minute Of Angle SERIES IV TARGETS AVAILABLE RANGE DISTANCE 100 METERS 100 YARDS 100 YARDS SERIES 4 42
29. resolve this 1ssue establish an imaginary point located midway between the middle of the scope and the rifle muzzle If you place your rifle at this shooting position you have approximately 10 inches to adjust your rifle to a comfortable position Remember there are 3600 inches in 100 yds this 10 inch zone producesa error of approximate 1 3 of 1 0033 Shooting anywhere within this 10 inch rifle placement zone will have an almost insignificant effect bullet elevation at 100 yard meters Note By measuring the range yourself you have eliminated a major source 9 of error Target Preparation Proper Mounting of CATS Targets Height of Target The rifle and the CATS target should be approximately the same height off the ground The point of measurement on the CATS target should be the main horizontal line on the upside down cross Perpendicular To Target The rifleman should engage the CATS target using a firing position that places him in an exact straight line perpendicular to the center of the target The point of measurement on the CATS target should be the intersection of the main vertical and horizontal line located on the upside down cross Note Inexpensive laser devices are available at most hardware stores that give an accurate 90 degree angle Also check the newspapers for used equipment If all else fails you can eyeball it quite accurately if you take great care Verti
30. rifle firing the ammunition you select Muzzle velocity values are extremely important Preparation Rifle Range Preparation Setting up your rifle range 1s absolutely essential to achieving quality results in assessing your optics and or improving the quality of your rifle skills Exact Distance You must decide if you are going to shoot at 100 yards or 100 meters Unfortunately there is no single common denominator Most civilian and many police ranges are set up for 100 yards and for shooting in English measurement increments Military ranges some police and many federal agencies have ranges set up for 100 meters and or shooting in metric increments All CATS targets are individually engineered and designed to be shot at 100 yards or 100 meters You cannot use a CATS target that 15 designed to be used at 100 yards and shoot it at 100 meters Your results will be invalid Based on your selection of English or metric the range must be precisely measured at 100 yards or 100 meters It 1s strongly recommend that you measure their distance with a steel survey chain or a high quality steel tape Do not trust any type of range finder Do not take anyone s word that the range 1s exactly 100 yards meters The question usually arises Do I measure from the middle of the riflescope or from the muzzle to the target Both are equally important as the rifle does the shooting and the scope provides calibration adjustment To
31. t Nos 5 920 995 6 032 374 6 453 595 6 516 699 and 6 681 512 issued foreign counterparts as well as numerous additional pending patent applications 1n the United States and foreign jurisdictions including but not limited to Europe Japan Israel Canada and Australia Manufacture sale importation or use of the Horus Vision systems requires a license from Horus Vision LLC For more specific information on obtaining a license please contact Horus Vision LLC Nothing contained herein should be construed as granting by implication estoppel or otherwise any license or right to use any HorusVision LLC intellectual property THE HORUS WARRANTY 1 30 day money back guarantee if product is returned un used 2 targets are used they cannot be returned FOR INFORMATION OR SALES Horus Vision LLC 659 Huntington Ave San Bruno CA 94066 Phone 650 588 8862 Fax 650 588 6264 E mail info horusvision com Web Site www horusvision com Contents Page Patent 111 311110111 111 2 3 DISC 6 7 Rie Preparado aeea 8 Rane Pre pat di Ot 9 Target 206 10 eae 11 vu 12 usus M 15 sig m
32. t on the target horizontal line Switch now to target 3 right side Using the same procedure used on target 1 7 Now check your target See Examples of various types of results 19 If a problem 15 indicated your riflescope should be returned to the manufacturer for repair When the rifle scope is returned after repair you must retest the unit to insure the problem has been corrected Record Data and preserve your target To ensure this target 1s a valuable future reference you should complete the data portion located on the bottom of the target 20 A SERIES 2 TARGET SHOWING RIFLESCOPE AND RIFLE IN PERFECT CALIBRATION ELEVATION VALUES ON SCOPE ARE VALIDATED y 2 1 1 ups 3 5 2 1 2 3 2 1 2 3 82 8 IN 23 MIL 82 8 IN 23 MIL 82 8 IN 23 MIL 79 2 IN 22 MIL 79 2 IN 22 MIL 79 2 IN 22 MIL 75 6 IN 21 MIL 75 6 IN 21 MIL 75 6 IN 21 MIL 22 72 0 IN 20 MIL 72 0 IN z 20 MIL 72 0 IN 20 MIL 63 68 4 IN 19 MIL 68 4 IN E 19 MIL 68 4 IN 19 MIL 20 62 64 8 IN 18 MIL 64 8 IN 2 18 MIL 64 8 IN 2E 18 MIL 26 60 61 21 17 MIL 61 2 IN 17 MIL 61 2 IN 17 MIL 18 0 IN 5 MIL 18 0 IN 5 MIL 18 0 IN 5 MIL 7 37 49 14 4 IN 4 MIL 14 4 IN 4 MIL 14 4 IN 4 MIL 48 10 8 IN 3 MIL 10 8 IN 3 MIL 10 8 IN 3 MIL 5 39 47 7 2 IN 2 MIL 7 2 IN 2 MIL 7 2 IN 2
Download Pdf Manuals
Related Search