Description

556 NATO Chamber

14.5″

Dimpled Fluting for added surface that helps with cooling.

4150 Chromoly

1:7 Twist.

1/2×28 Threads.

Mid Length Gas.

Chrome Lined.

Mag Phosphate Coated.

Cold Hammer Forged.

Gas Port is sized at .076

This barrel pairs best with the Badger MK12 gas block for maximum gas efficiency.