CMC Triggers AR-15 Barrel 5.56 NATO 16" 1:7 Mid-Length Gas - Black Nitride

The CMC Triggers AR-15 Barrel is a precision-match 5.56 NATO chambered replacement barrel for custom AR-15 builds. Cut from 4150 Chrome Moly Vanadium steel and finished in H&M Blacknitride+ for high wear and corrosion resistance, each barrel is air gauged for bore consistency and crowned with an 11 degree match crown for enhanced accuracy.

At 16 inches with a 1:7 twist rate, this barrel is set up for a mid-length gas system and features M4 feed ramps for reliable feeding in semi-auto AR platforms. The 1/2x28 thread pattern fits standard AR-15 muzzle devices, and a bottom dimple at the gas block journal makes gas block alignment straightforward during installation.