Brownells BTAC 16'' 300 Blackout Barrel Review

Published on February 5, 2018
Duration: 14:16

This review by Mrgunsngear provides an expert-level assessment of the Brownells BTAC 16" 300 Blackout Barrel. It details accuracy testing with various ammunition types, including Hornady, Sig Sauer, Freedom Munitions, Gorilla Ammunition, and Federal Fusion, highlighting group sizes and point-of-impact shifts. The review also covers the barrel's construction, gas system, and compatibility with suppressors, offering practical insights for firearm enthusiasts considering this barrel for their AR-15 builds.

Quick Summary

The Brownells BTAC 16" 300 Blackout Barrel, constructed from 4150 CMB steel with a 1:8 twist and SOCOM profile, is offered as a kit for $139.99. It demonstrated reliable function suppressed and unsuppressed. The Sig Sauer 125gr supersonic ammunition yielded the tightest group at 1 1/2 inches during accuracy testing.

Chapters

  1. 00:40Introduction and Barrel Overview
  2. 01:10Ammunition & Accuracy Testing Plan
  3. 01:49Rifle Setup and Target Details
  4. 02:16Hornady American Gunner Test
  5. 03:02Sig Sauer Supersonic Ammunition Test
  6. 03:53Freedom Munitions V-MAX Test
  7. 04:53Gorilla Ammunition Controlled Chaos Test
  8. 05:39Federal Fusion Ammunition Test
  9. 06:30Hornady Retest & Group Review
  10. 08:08Barrel Construction and Features
  11. 09:05Suppressor Compatibility and Gas Port
  12. 09:50300 Blackout Accuracy Discussion
  13. 10:29Conclusion and Call to Action

Frequently Asked Questions

What are the key specifications of the Brownells BTAC 16" 300 Blackout Barrel?

The Brownells BTAC 16" 300 Blackout Barrel is made from 4150 CMB steel, features a 1:8 twist rate, a SOCOM profile, and uses a carbine-length gas system. It is available as a kit including the barrel, gas block, pin, and gas tube for $139.99.

Which ammunition performed best with the Brownells BTAC 16" 300 Blackout Barrel?

During accuracy testing, the Sig Sauer 125-grain supersonic ammunition achieved the tightest group at 1 1/2 inches. Other tested loads included Hornady, Freedom Munitions, Gorilla Ammunition, and Federal Fusion, with varying group sizes and point-of-impact shifts.

Why is a 16-inch barrel often preferred for 300 Blackout builds?

A 16-inch barrel is a popular choice for 300 Blackout builds as it avoids National Firearms Act (NFA) regulations concerning short-barreled rifles (SBRs), which would otherwise require a tax stamp. This allows for the use of any muzzle device without legal restrictions.

How does the 300 Blackout cartridge perform in a 16-inch barrel?

While 300 Blackout is often optimized for shorter barrels, it performs well in a 16-inch configuration, offering a balance between velocity, maneuverability, and compliance with firearm regulations. Accuracy can be sufficient for most users, though generally less precise than 5.56 NATO.

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