Leupold BALLISTIC AIMING SYSTEM User Manual
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Leupold BALLISTIC AIMING SYSTEM User Manual

Leupold BALLISTIC AIMING SYSTEM User Manual

Leupold ballistic aiming system: user guide
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L245-0685C_BAS_Inst_Man.indd 1
10/6/05 10:13:19 AM

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Summary of Contents for Leupold BALLISTIC AIMING SYSTEM

  • Page 1 COVER COVER L245-0685C_BAS_Inst_Man.indd 1 10/6/05 10:13:19 AM...
  • Page 2 L245-0685C_BAS_Inst_Man.indd 2 10/6/05 10:13:19 AM...

  • Page 3: Table Of Contents

    Table of Contents Boone and Crockett Big Game Reticle ......Page 1 ™ Varmint Hunter’s Reticle ........Page 11 Long Range Duplex Reticle .

  • Page 4: Boone And Crockett ™ Big Game Reticle

    Big Game Reticle The goal of every hunter is a successful hunt with a clean harvest. It was with this in mind that Leupold created the Leupold Ballistic Aiming System ® ™ Because we so strongly agree with the Boone and Crockett Club’s legacy of ®...
  • Page 5 An Overview of the Leupold Ballistic Aiming System The Leupold Ballistic Aiming System provides a series of aiming points to improve your ability to shoot accurately at longer ranges. The first aiming point (the intersection of the Duplex reticle) is designed to be used at 200 ®...
  • Page 6 As an example, a 30-06 with a 180 gr spitzer bullet and 2700 fps muzzle velocity would require the use of the smaller triangle mark. A 30-06 with a 150 gr spitzer bullet at 3000 fps muzzle velocity would use the larger triangle mark. We have designated three sets of cartridges to be used in conjunction with the large and small triangles and sight-in distances of either 200 or 300 yards, described as Group A, Group B, and Group C:...
  • Page 7 Boone and Crockett Big Game Reticle Cartridge List ™ (48-58 inches of drop at 500 yards) (Less than 35 inches of drop at 500 yards) (35-45 inches of drop at 500 yards) L245-0685C_BAS_Inst_Man.indd 4 10/6/05 10:13:22 AM...
  • Page 8 General Instructions For the Use of the Leupold Ballistic Aiming System SIGHTING-IN The Boone and Crocket Big Game reticle is sighted-in by zeroing the rifle at ™ the intersection of the Duplex reticle at either 200 yards (Group A and B), or ®...
  • Page 9 • a 10 mph windage hold point at both the left and right ends of the 300 and 400 yard CPC-style hold points • the traditional VX aiming point and the top vertical heavy post (consult the Leupold Riflescope Owner’s Handbook) L245-0685C_BAS_Inst_Man.indd 6...
  • Page 10 NOTE: When using a cartridge in Group C and sighting-in at 300 yards, add 100 to all of the above yardage indicators. L245-0685C_BAS_Inst_Man.indd 7 Power Selector Values Range Bullet Drop Small Bullet Drop Large — 200 yd MOA — 200 yd Inches 2.19 300 yd MOA 6.88...
  • Page 11 Using the Boone and Crockett In order to use the Boone and Crockett which of the three groups (Group A, Group B, or Group C) your cartridge and load fits into. DETERMINE POWER SELECTOR SETTING First, determine which of the triangles on the power selector is the correct one to use with your particular rifle caliber, bullet weight and muzzle velocity.
  • Page 12 ™ estimating feature using the space between the Duplex central aiming point and the top vertical heavy post. For more information about how to use this feature, consult your Leupold Riflescope Owner’s Handbook. AIMING The Boone and Crockett Big Game reticle is a hold point reticle. For targets ™...
  • Page 13 WIND COMPENSATION The left and right edges of the 300 and 400 yard hold points may be used as 10 mph wind compensators. To correct for a wind speed of 10 mph, place the edge of the hold point for the distance of the target directly on the target when aiming.

  • Page 14: Varmint Hunter's Reticle

    Whether a hunter is pursuing big game or varmints, it is imperative that he or she strive to make a quick, humane kill. It is with this in mind that Leupold has introduced the Varmint Hunter’s reticle, a tool intended to allow shooters to make solid hits and clean kills at longer ranges on varmints.
  • Page 15 An Overview of the Leupold Ballistic Aiming System The Leupold Ballistic Aiming System provides a series of aiming points to improve your ability to shoot accurately at longer ranges. The first aiming point (the intersection of the German #4 reticle) is designed to be used at 200 yards with most common varmint cartridges or at 300 yards in several flatter shooting cartridges designed for longer range use.
  • Page 16 As an example, a .223 Remington with a 40 gr V-max bullet and 3800 fps ® muzzle velocity would require the use of the larger triangle mark. A .223 Remington with a 55 gr V-max bullet at 3240 fps muzzle velocity would use the smaller triangle mark.
  • Page 17 Varmint Hunter’s Reticle Cartridge List (45-55 inches of drop at 500 yards) (Less than 30 inches of drop at 500 yards) (30-40 inches of drop at 500 yards) L245-0685C_BAS_Inst_Man.indd 14 10/6/05 10:13:39 AM...
  • Page 18 General Instructions For the Use of the Leupold Ballistic Aiming System SIGHTING-IN The Varmint Hunter’s reticle is sighted-in by zeroing the rifle at the intersection of the German #4 reticle at 200 yards for Group A and Group B cartridges.
  • Page 19 Specific Instructions For the Use of the Varmint The Varmint Hunter’s reticle offers: • a fine-lined German #4-style central aiming point (sighted-in at 200 yards in most cases) as well as cross-wire hold points calibrated to 300, 400, and 500 yards for most cartridges •...
  • Page 20 Range 200 yd MOA 200 yd Inches 300 yd MOA 300 yd Inches 400 yd MOA 400 yd Inches 500 yd MOA 500 yd Inches *Brackets a prairie dog at 300 yards. If the prairie dog is smaller than the bracket, then it is more than 300 yards away. L245-0685C_BAS_Inst_Man.indd 17 Power Selector Values 10 MPH Drift 20 MPH Drift 30 MPH Drift...
  • Page 21 Using the Varmint Hunter’s Reticle In order to use the Varmint Hunter’s reticle, you must determine which of the three groups (Group A, Group B, or Group C) your cartridge and load fits into. DETERMINE POWER SELECTOR SETTING First, determine which of the triangles on the power selector is the correct one to use with your particular rifle caliber, bullet weight, and muzzle velocity.
  • Page 22 Varmint Hunter’s reticle. DETERMINE THE RANGE TO THE TARGET Determine the range to your target using a laser rangefinder such as a Leupold RB800 or RX Series rangefinder. Or you may determine whether a prairie dog-sized...
  • Page 23 AIMING The Varmint Hunter’s reticle is a hold point reticle. For targets judged to be 300 yards away, hold directly on the 300 yard hold point. For 350 yard targets, hold directly between the 300 and 400 yard hold points, for 450 yard targets hold directly between the 400 and 500 yard hold points.

  • Page 24: Long Range Duplex Reticle

    The Leupold Ballistic Aiming System – Long Range Duplex Reticle To use the Long Range Duplex reticle, zero your rifle at either 200 yards for Group A cartridges or at 300 yards if your rifle is chambered for one of the Group C cartridges from the Long Range Duplex table on page 22.
  • Page 25 Long Range Duplex Reticle Cartridge List (Less than 35 inches of drop at 500 yards) (35-45 inches of drop at 500 yards) L245-0685C_BAS_Inst_Man.indd 22 10/6/05 10:13:48 AM...
  • Page 26 Reticle Feature Fine Line Width (Line Width) Heavy Line Width (Thick Section) Picket to Picket Space (Thin Opening) Dot Diameter 300 Yard Dot (Distance from Center) 400 Yard Dot (Distance from Center) Center to Bottom Picket Tip Spacing (500 Yards) L245-0685C_BAS_Inst_Man.indd 23 Long Range Duplex Reticle 2-7x Models...
  • Page 27 Reticle Feature Fine Line Width (Line Width) Heavy Line Width (Thick Section) Picket to Picket Space (Thin Opening) Dot Diameter 300 Yard Dot (Distance from Center) 400 Yard Dot (Distance from Center) Center to Bottom Picket Tip Spacing (500 Yards) L245-0685C_BAS_Inst_Man.indd 24 Long Range Duplex Reticle 3-9x Models...
  • Page 28 Reticle Feature Fine Line Width (Line Width) Heavy Line Width (Thick Section) Picket to Picket Space (Thin Opening) Dot Diameter 300 Yard Dot (Distance from Center) 400 Yard Dot (Distance from Center) Center to Bottom Picket Tip Spacing (500 Yards) This concludes the instructional portion of the Long Range Duplex reticle.

  • Page 29: Long Range Varmint Reticle

    The Leupold Ballistic Aiming System – Long Range Varmint Reticle To use the Long Range Varmint reticle, zero your rifle at either 200 yards (Group A cartridges from the Long Range Varmint table on page 27) or 300 yards (Group C cartridges from the Long Range Varmint table on page 27).
  • Page 30 Long Range Varmint Reticle Cartridge List (45-55 inches of drop at 500 yards) (Less than 30 inches of drop at 500 yards) L245-0685C_BAS_Inst_Man.indd 27 10/6/05 10:13:57 AM...
  • Page 31 Reticle Feature Fine Line Width (Line Width) Heavy Line Width (Thick Section) Picket to Picket Space (Thin Opening) 300 Yard Hash (Distance from Center) 400 Yard Hash (Distance from Center) Center to Bottom Picket Tip Spacing (500 Yards) This concludes the instructional portion of the Long Range Varmint reticle. L245-0685C_BAS_Inst_Man.indd 28 Long Range Varmint Reticle 6-18x Models...

  • Page 32: Another Way To Sight In

    Another Way to Sight In For use with the Boone & Crocket Big Game, Varmint Hunter’s, Long Range Duplex, and Long Range Varmint reticles. If you are using a Long Range Duplex or Long Range Varmint reticle with a cartridge from the Group B cartridge chart, or if you have a cartridge that does not appear in one of the accompanying cartridge charts, the following method will provide you with a quick and easy way to sight in.
  • Page 33 target that should be visible from the firing line. While maintaining the same point of aim (hold in the center of the target with the 200 yard intersection) adjust the magnification setting until the 500 yard holdover points in the middle of the large black dot created with the black marker.
  • Page 34 World High Power Silhouette Woman Championships, and the 2005 Canadian Silhouette High Power Rifle Championship. Tim and Laura are both valued employees of Leupold & Stevens, Inc. Again, thanks to each of you, and the entire Ballistic Aiming System development team, for your efforts. They have truly paid off.
  • Page 35 L245-0685C_BAS_Inst_Man.indd 32 10/6/05 10:14:02 AM...
  • Page 36 BACK COVER L245-0685C_BAS_Inst_Man.indd 33 10/6/05 10:14:02 AM...

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