Product Spotlight: Brownells BRN-601 Retro Upper Receiver

Published on September 27, 2023
Duration: 3:40

This video provides a detailed look at the Brownells BRN-601 Retro Upper Receiver Assembly, a faithful reproduction of the original Colt 601. It highlights key historical features such as the 3-prong duckbill flash hider, triangular green polymer handguards, slick-side bolt carrier group, and gray anodized receiver finish. The review emphasizes the accuracy of the reproduction for enthusiasts seeking period-correct components.

Quick Summary

The Brownells BRN-601 Retro Upper Receiver Assembly faithfully reproduces the Colt 601 rifle's features, including a 3-prong duckbill flash hider, triangular green handguards, and a slick-side, chrome-lined bolt carrier group. It boasts a gray anodized finish and a 1:12 twist barrel for authentic retro builds.

Chapters

  1. 00:00Introduction: BRN-601 Retro Upper
  2. 00:43Muzzle and Barrel Specs
  3. 01:12Sights and Handguards
  4. 01:31Receiver Details
  5. 02:15Rear Sight and Charging Handle
  6. 02:43Bolt Carrier Group (BCG)

Frequently Asked Questions

What is the Brownells BRN-601 Retro Upper Receiver Assembly?

The BRN-601 is a modern reproduction of the original Colt 601 rifle upper receiver, manufactured between 1960 and 1962. It aims to replicate the historical features and aesthetics for builders seeking a period-correct AR-15.

What are the key retro features of the BRN-601 upper?

Key features include a 3-prong duckbill flash hider, a non-F marked front sight post, triangular green polymer handguards, a small profile delta ring, and a slick-side bolt carrier group, all finished with a gray anodized coating.

What are the barrel specifications for the BRN-601 upper?

The barrel is chrome-lined for durability and features a 1:12 twist rate, consistent with the original Colt 601 profile, making it suitable for period-correct ammunition.

What type of bolt carrier group (BCG) is included with the BRN-601?

The BRN-601 comes with a 'slick side' bolt carrier group, which means it does not have the forward assist notches. The BCG is also fully chrome-lined for enhanced performance and easier maintenance.

More Reviews Videos You Might Like

More from Brownells, Inc.

View all →