Brownells Retro BRN-10 .308 Operating Tips

Published on August 10, 2018
Duration: 3:16

This guide details the operation of the Brownells BRN-10, highlighting key differences from standard AR-15 platforms, particularly the charging handle mechanism. It emphasizes a positive, brisk pull for the charging handle and provides instructions for rear sight adjustments. The video is presented by Paul Leaveth from Brownells.

Quick Summary

The Brownells BRN-10 charging handle requires a firm, brisk pull towards the rear to disengage a spring detent, unlike the AR-15's rear-mounted handle. This positive action ensures proper engagement. The rear sight is adjustable for elevation and windage, with a factory zero set at 25 meters.

Chapters

  1. 00:00Introduction to BRN-10 Operation
  2. 00:12Charging Handle Differences & Technique
  3. 01:01Understanding the Spring Detent
  4. 01:22Charging Handle Tip: Ejection Port Safety
  5. 01:40Standard AR-15 Operation Parallels
  6. 01:46Returning Bolt to Battery
  7. 02:14Lubrication Recommendation
  8. 02:25BRN-10 Features: Adjustable Rear Sight
  9. 02:29Elevation Adjustment
  10. 02:43Windage Adjustment Procedure
  11. 02:58Conclusion and Thanks

Frequently Asked Questions

How is the BRN-10 charging handle different from an AR-15?

The BRN-10 charging handle is not at the rear like an AR-15. It requires a firm, brisk pull towards the rear to disengage a spring detent, which prevents it from moving during firing. A hesitant pull will not engage it properly.

What is the recommended technique for charging the BRN-10?

Grasp the rifle firmly, place it in your shoulder or use your non-firing hand. With your index and middle fingers, firmly grip the charging handle and pull it briskly and positively towards the rear to ensure the spring detent engages.

How do you adjust the rear sight on the BRN-10?

The BRN-10 has an A2-style adjustable rear sight. For elevation, turn the adjustment knob. For windage, insert a 3/32" wrench, loosen the setscrew, move the peep sight left or right, and then retighten the setscrew.

What is the factory zero for the BRN-10 rear sight?

The Brownells BRN-10 comes from the factory with its rear sight set for a 25-meter zero. This provides a baseline for initial adjustments for elevation and windage.

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