The Future Of AR Pistols - BRN180 Review

Published on March 23, 2022
Duration: 16:02

This review of the Brownells BRN-180 Gen 2 AR pistol, presented by Reno May, highlights its piston-driven system and folding capability as key advantages for AR pistols. May emphasizes its reliability over 2,000+ rounds, decent accuracy for its intended purpose (2.5-inch groups at 100 yards with budget ammo), and its suitability for home defense. He notes minor drawbacks like the non-traditional charging handle and heat buildup, but ultimately considers it a superior platform for AR pistols.

Quick Summary

The Brownells BRN-180 Gen 2 is a piston-driven AR-15 upper receiver that eliminates the need for a buffer tube, allowing for a folding brace. It offers good reliability with over 2,000 rounds fired and acceptable accuracy for home defense, achieving around 2.5-inch groups at 100 yards with budget ammunition.

Chapters

  1. 00:00Disclaimer & California Compliance
  2. 01:24Introduction to BRN-180 Gen 2 Review
  3. 02:07Overall Opinion on AR Pistols
  4. 03:02Piston Driven System & Folding Capability
  5. 03:39Handguard & Muzzle Device
  6. 04:36Piston System Settings
  7. 04:57Charging Handle Ergonomics
  8. 05:56BAD Lever Compatibility Issues
  9. 06:52Accuracy & Shooting Impressions
  10. 07:03Impact of Astigmatism on Optics
  11. 08:27Reliability & Ammunition
  12. 09:25Dust Cover & Environmental Concerns
  13. 10:15Future of AR Pistols & Folding Systems
  14. 11:30Heat Management
  15. 12:55Recoil Impulse & Handling
  16. 14:10BRN-180 as a Platform
  17. 14:49AR Pistols in California
  18. 15:37Conclusion & Final Thoughts

Frequently Asked Questions

What makes the Brownells BRN-180 Gen 2 different from a standard AR-15 upper?

The BRN-180 Gen 2 is a piston-driven upper receiver, unlike traditional direct gas impingement AR-15s. This design eliminates the need for a buffer tube, allowing for a folding stock or brace, which significantly enhances its compactness for transport and storage.

How reliable is the Brownells BRN-180 Gen 2?

The reviewer has fired over 2,000 rounds through the BRN-180 Gen 2 and reports zero malfunctions attributed to the upper receiver itself. Some failures occurred when using steel-cased ammunition, which the reviewer attributes to the ammo rather than the firearm.

What is the typical accuracy of the BRN-180 Gen 2 AR pistol?

With budget 5.56/.223 ammunition, unmagnified optics, and considering the reviewer's astigmatism, the BRN-180 Gen 2 achieved approximately 2.5-inch groups at 100 yards. This is considered sufficient for home defense purposes.

Are there any compatibility issues with aftermarket accessories on the BRN-180?

Yes, the side-charging handle design can interfere with some scope mounts. Additionally, aftermarket bolt catch levers like the Magpul BAD Lever are not compatible with the BRN-180 due to its upper receiver width, which can cause the bolt to lock open prematurely.

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