12.5" AR15 5.56 .223 Barrel AR15 .223 5.56 Barrel AR15-Barrel 5.56-.223

This AR-15 Barrel is a 12.5" SOCOM barrel made of 4150 steel with a parkerized finish, a 1:7 twist rate and a mid-length gas system. The barrel is chambered in 5.56 NATO and machined with M4 feed ramps.