Brownells M16A1 Clone Build Review (HD)

Published on March 20, 2017
Duration: 24:48

This guide details the assembly and accuracy testing of a Brownells M16A1 clone build, emphasizing historical accuracy with modern production parts. It covers component selection, assembly steps, and performance evaluation at 100 yards using iron sights with various ammunition types. The review highlights the build's reliability, nostalgic appeal, and value, drawing on the expertise of Mrgunsngear.

Quick Summary

The Brownells M16A1 clone build, costing approximately $913, achieved excellent accuracy with iron sights at 100 yards, including a 1.875-inch group using Federal Gold Medal Match 69gr ammo. The 20-inch 4150 CMV barrel with a 1:12 twist proved surprisingly capable with heavier projectiles, and the rifle demonstrated 100% reliability over 800 rounds.

Chapters

  1. 00:30Build History and Parts Availability
  2. 03:19Accuracy Testing Variables
  3. 08:00Accuracy Results
  4. 09:43Barrel and Muzzle Device Specs
  5. 11:46Furniture and Ergonomics
  6. 13:32Upper and Lower Receiver Details
  7. 14:57Bolt Carrier Group and Internals
  8. 18:28Price Breakdown and Final Thoughts

Frequently Asked Questions

What are the key components of the Brownells M16A1 clone build?

The build features a Brownells M16A1 retro upper and lower receiver (BRN-16A1 made by NoDak Spud), a 20-inch 4150 CMV chrome-lined barrel with a 1:12 twist, an M16A1 birdcage flash hider, surplus A1 furniture, and a mil-spec BCG. Total build cost was around $913.

How accurate is the Brownells M16A1 clone build with iron sights?

At 100 yards using iron sights and a rest, the rifle achieved groups of 2.25 inches with M193, 2 inches with 69gr HPBT, and an impressive 1.875 inches with Federal Gold Medal Match 69gr ammunition.

What ammunition types were tested on the M16A1 clone?

The review tested Freedom Munitions 55gr M193, Freedom Munitions 69gr HPBT, and Federal Gold Medal Match 69gr ammunition to evaluate the rifle's performance across different bullet weights and types.

What is the significance of the 1:12 twist rate on the M16A1 clone barrel?

The 1:12 twist rate is historically accurate for the M16A1 and is typically optimized for lighter 55gr projectiles. However, this build demonstrated it could effectively stabilize heavier 69gr bullets, achieving good accuracy.

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