BRT 12.5" OPTIMUM Hammer Forged Chrome Lined 5.56 Nato Barrel

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Black River Tactical 12.5" OPTIMUM Hammer Forged Chrome Lined 5.56 Barrel

About the Product

Introducing our Black River Tactical Hammer Forged Chrome Lined Barrels - the epitome of accuracy, durability, and seamless suppressor compatibility. These barrels are the result of meticulous engineering and exhaustive testing. We start with a precision cold hammer forging process and certified material to create the most durable and accurate blank possible. The medium-light taper profile maintains strength while minimizing weight, ensuring a balanced weapon when a suppressor and other accessories are added. They feature an advanced hard chrome lining process that maintains peak accuracy and withstands severe firing schedules.

This includes the EXC Length Gast Tube.

Key Features

  • Hammer Forged for extreme durability and superior accuracy.
  • Chrome Lined Chamber and Bore ensuring excellent service life and corrosion resistance.
  • 556 Chamber compatible with all high-pressure military 5.56 and civilian .223 ammunition.
  • Gas System tuned for reliable use with and without a suppressor attached.


BRT Medium-Light Taper Profile .750 Gas Block
Gas System BRT EXC Length Gas System (included)
Muzzle Thread 1/2-28 Suppressor Ready
Chamber 5.56 NATO
Rifling 6R 1/7 Twist
Material 4150 CrMoV Ordnance Grade Steel per Mil-B-11595E(AR)
Finish Manganese Phosphate
Weight 21.7 oz

Buffer Recommendations

Unsuppressed: H or CAR, VLTOR A5H0

Suppressed: H2, VLTOR A5H2

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