Brownells BRN 601 Tabletop Review and Field Strip

Published on April 10, 2020
Duration: 17:38

This review provides an in-depth look at the Brownells BRN-601, a reproduction of the first AR-15 to enter US military service. The video details its historical accuracy, design features, and contrasts it with modern AR platforms. It includes a field strip demonstration, highlighting the differences in components like the brass deflector, forward assist, and magazine release fencing. The presenter, with apparent military experience, offers insights into the evolution of the AR platform and the rationale behind certain design choices.

Quick Summary

The Brownells BRN-601 is a faithful reproduction of the original Colt AR-15 Model 601, the first AR-15 adopted by the U.S. military. It features historical design elements like a minimal brass deflector, no forward assist, and no magazine release fencing, contrasting with modern AR platforms. The rifle has a 1:12 twist rate barrel, suitable for lighter bullets.

Chapters

  1. 00:01Introduction: Brownells BRN-601
  2. 00:22Modern AR Comparison
  3. 01:18Original Waffle Magazine
  4. 01:30Design Differences: Brass Deflector
  5. 01:59No Forward Assist Explained
  6. 04:01No Magazine Release Fencing
  7. 04:31Pivot Pin Design
  8. 04:52No Fire Control Markings
  9. 05:30Charging Handle & Fixed Carry Handle
  10. 06:14Rear Sight Details
  11. 06:43Triangular Handguard
  12. 07:02Barrel Twist Rate: 1:12
  13. 09:35Field Strip: Bolt Carrier Group
  14. 11:40Bolt and Extractor Details
  15. 13:00Range Testing Plans
  16. 14:28Maintenance Manuals
  17. 15:54Historical Context & Value
  18. 16:20Adoption by Air Force
  19. 17:05Conclusion & Future Videos

Frequently Asked Questions

What is the Brownells BRN-601?

The Brownells BRN-601 is a reproduction firearm designed to replicate the original Colt AR-15 Model 601, which was the first AR-15 variant adopted by the U.S. military. It aims to preserve the historical look and feel of this iconic rifle.

What are the key differences between the BRN-601 and modern AR-15s?

Key differences include the BRN-601's minimal brass deflector, absence of a forward assist and magazine release fencing, a unique pivot pin design, and lack of fire control group markings. These reflect early design choices before later military-driven modifications.

What is the barrel twist rate of the Brownells BRN-601?

The Brownells BRN-601 features a barrel with a 1:12 twist rate. This is a slower twist rate compared to many modern AR-15 barrels and is generally considered optimal for lighter bullet weights, such as 55-grain or 60-grain ammunition.

Does the Brownells BRN-601 have a forward assist?

No, the Brownells BRN-601 does not have a forward assist. This feature was not present on the original Colt AR-15 Model 601 and was omitted in the reproduction to maintain historical accuracy. The presenter notes that forward assists are often skipped on modern custom builds as well.

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