18" AR15 5.56 .223 Barrel AR15 .223 5.56 Barrel AR15-Barrel 5.56-.223-AR15

This AR-15 Barrel is a 18" bear claw fluted heavy barrel made of 416R stainless steel with a black nitride finish, a mid length gas system with a 1:8 twist rate. The barrel is chambered in 5.56 NATO and machined with M4 feed ramps in the barrel extension.