Brownells BRN-180 7.62x39

Published on January 19, 2024
Duration: 19:09

This review of the Brownells BRN-180 Gen 2 in 7.62x39 highlights its piston operating system, making it an excellent suppressor host. The presenter discusses initial reliability issues that were resolved by Brownells through a recall. Key upgrades include replacing the stock charging handle and muzzle device for improved ergonomics and suppressed shooting capability. Accuracy testing at 100 yards with various ammunition types is also detailed.

Quick Summary

The Brownells BRN-180 Gen 2 in 7.62x39 is a capable piston-driven AR platform rifle, particularly noted for its effectiveness as a suppressor host due to reduced gas blowback. While early models faced reliability issues, Brownells addressed these through a recall. Recommended upgrades include an improved charging handle and muzzle device for better ergonomics and suppressed shooting.

Chapters

  1. 00:06Introduction: BRN-180 Gen 2 7.62x39
  2. 00:30Piston vs. Direct Impingement
  3. 01:00Brownells & PWS Partnership
  4. 01:337.62x39 Caliber Pros & Cons
  5. 01:53Initial Reliability Issues & Recall
  6. 02:36Upgrades: Muzzle Device & Charging Handle
  7. 03:47Gas Block Adjustment (Suppressed/Unsuppressed)
  8. 04:07Extensive Range Time & Configurations
  9. 05:07Competition: High Desert Brutality
  10. 06:15Current Build Configuration
  11. 07:03BRN-180 Upgrade Recommendations
  12. 07:31Charging Handle Issues & Replacements
  13. 08:21Dust Cover Omission
  14. 08:52Magazine & Ammunition Compatibility
  15. 09:02Post-Recall Reliability
  16. 09:17Accuracy Testing Setup
  17. 09:34First Accuracy Test Malfunction
  18. 10:30Troubleshooting the Piston System
  19. 11:11Hypothesized Malfunction Cause
  20. 12:06Accuracy Testing Results (100 Yards)
  21. 12:22Bernal 125gr Soft Point Results
  22. 12:43PPU Soft Nose Results
  23. 13:05Bernal 123gr FMJ Results
  24. 13:21Idaho Ordnance 123gr SST Results
  25. 13:49Hornady Black 123gr SST Results
  26. 14:10Wolf 122gr FMJ Results
  27. 14:25Tulammo 23gr FMJ Results
  28. 14:42Overall Accuracy Capability
  29. 15:13Practical Effectiveness (Competition)
  30. 15:50Overall Thoughts & Enjoyment
  31. 16:197.62x39 Caliber Appeal
  32. 17:00Potential Bolt Issues in 7.62x39 ARs
  33. 17:32Recap of Freak Malfunction
  34. 17:49Pricing: Uppers and Lowers
  35. 18:31Lower Receiver Features (Picatinny Rail)
  36. 18:43Conclusion & Links

Frequently Asked Questions

What makes the Brownells BRN-180 Gen 2 a good suppressor host?

The BRN-180 Gen 2 is an excellent suppressor host due to its piston operating system. This design, unlike direct impingement, significantly reduces the amount of gas that blows back into the receiver, leading to a cleaner shooting experience and less gas pressure directed at the shooter when suppressed.

Did the Brownells BRN-180 Gen 2 in 7.62x39 have initial reliability problems?

Yes, early production BRN-180 Gen 2 models in 7.62x39 experienced significant reliability issues. Brownells acknowledged these problems, issued a recall for affected units, and implemented necessary improvements to ensure proper function in later production batches.

What are common upgrades recommended for the Brownells BRN-180?

Two highly recommended upgrades for the BRN-180 are replacing the stock charging handle, which can be uncomfortable and cause knuckle injuries, and upgrading the muzzle device. An aftermarket muzzle device, often a flash hider or muzzle brake, is preferred for easier suppressor attachment and better flash suppression.

What kind of accuracy can be expected from the BRN-180 Gen 2 7.62x39?

Accuracy testing of the 10.5-inch BRN-180 Gen 2 in 7.62x39 at 100 yards showed a range of performance. The best groups achieved were around 1.0 MOA with certain ammunition, while others, particularly with cheaper ammo or flyers, opened up to 3-4 MOA. It's generally considered capable of minute-of-angle accuracy with good ammunition.

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