Sighting In Your Scope Tips:The Trijicon ACOG Scope on the AR-15 /M4 Carbine

Published on July 23, 2010
Duration: 13:08

This video provides a comprehensive guide to sighting in a Trijicon ACOG scope on an AR-15/M4 platform. It covers essential range gear, the importance of bore sighting, and a strategy for zeroing at 25 yards to achieve a 200-yard zero. The tutorial details how to use a laser bore sighter and make precise adjustments using the ACOG's 1/4 MOA turrets, emphasizing shooting tight groups for consistency.

Quick Summary

To sight in a Trijicon ACOG on an AR-15, first bore sight using a laser. Then, zero at 25 yards for a 200-yard impact. Adjustments are made in 1/4 MOA clicks, and shooting consistent groups is vital before finalizing your zero.

Chapters

  1. 00:00Firearm Safety Rules
  2. 01:20Sighting in the Trijicon ACOG
  3. 02:16Essential Range Gear
  4. 03:52Ammunition Recommendation
  5. 04:48Bore Sighting and Zeroing Strategy
  6. 06:04Using a Laser Bore Sighter
  7. 07:59ACOG Reticle Features
  8. 08:50Adjusting Elevation and Windage
  9. 11:36Shooting Groups for Consistency

Frequently Asked Questions

What is the recommended strategy for sighting in a Trijicon ACOG scope?

The recommended strategy is to first bore sight your rifle using a laser bore sighter. Then, zero at 25 yards, which typically results in being dead-on at 200 yards for a 5.56mm/.223 caliber rifle. This method saves time and ammunition.

How do you adjust the Trijicon ACOG scope's turrets?

The Trijicon ACOG turrets adjust in 1/4 MOA increments. One click equals approximately 1/4 inch at 100 yards. To adjust, remove the caps and turn the appropriate turret (elevation or windage) the required number of clicks in the desired direction.

What essential gear is needed for a range day to sight in a scope?

Essential gear includes eye and ear protection, sandbags for a stable rest, a tool bag with screwdrivers, 20-round magazines, a laser bore sighter, targets, markers, and binoculars or a spotting scope (minimum 8x magnification).

Why is shooting tight groups important when zeroing a scope?

Shooting tight groups is crucial to confirm that your rifle and the shooter are performing consistently. This predictability allows you to make accurate scope adjustments based on reliable data, rather than compensating for shooter error or rifle inconsistency.

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