Product Spotlight: Brownells BRN-9 Upper Receiver

Published on May 16, 2023
Duration: 9:03

This video provides an expert overview of the Brownells BRN-9 9mm upper receiver, highlighting its self-contained operation and compatibility with various lower receivers and magazine types (Glock, Colt, MP5). Instructor Caleb Savant details the non-reciprocating ambidextrous charging handle, potential troubleshooting for feeding issues, and crucial safety advice regarding 9mm-specific muzzle devices for its 1/2x28 threaded barrel. The BRN-9 is constructed from one-piece billet aluminum with generous feed ramps for reliability.

Quick Summary

The Brownells BRN-9 is a 9mm Pistol Caliber Carbine (PCC) upper receiver that functions as a self-contained unit, eliminating the need for a buffer and spring in the lower receiver. It boasts an ambidextrous, non-reciprocating charging handle and is compatible with Glock, Colt, and MP5 magazine patterns.

Chapters

  1. 00:00Introduction: BRN-9 SBR Re-upload
  2. 01:05BRN-9 Product Overview: Self-Contained PCC
  3. 01:49Ambidextrous Non-Reciprocating Charging Handle
  4. 02:32Lower Receiver Compatibility: Glock, Colt, MP5
  5. 04:06Technical Troubleshooting: Ejectors & Bolt
  6. 06:12Muzzle Device Warning: 9mm vs 5.56 Threads
  7. 07:24Construction: Billet Aluminum & Feed Ramps

Frequently Asked Questions

What makes the Brownells BRN-9 upper receiver unique?

The BRN-9 is a 9mm Pistol Caliber Carbine (PCC) upper receiver that operates as a self-contained system. This means it does not require a buffer or buffer spring in the lower receiver, simplifying assembly and operation.

What types of lower receivers are compatible with the BRN-9 upper?

The BRN-9 is designed to be compatible with a variety of 9mm lower receivers, including those that accept Glock, Colt, and MP5 style magazines. Specific fitment nuances may exist with different manufacturers.

What is the barrel threading on the Brownells BRN-9 upper receiver?

The barrel on the BRN-9 upper receiver is threaded 1/2x28. However, it is crucial to only use muzzle devices specifically designed for 9mm firearms to ensure the projectile clears the bore safely.

Does the BRN-9 upper receiver have a reciprocating charging handle?

No, the BRN-9 features a non-reciprocating charging handle. It is also ambidextrous, allowing users to easily switch its side of operation based on personal preference.

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