.224''/5.56mm #4 Sporter 1-12'' twist


A perfect choice for a .22-250 build or a .220 swift

it would also suffice for a .223/5.56 or a .222rem, if you intended to use lighter varmint bullets


these barrels feature a 1.200" shank, and a traditional sporter taper to a 0.685" muzzle diameter at 26". These blanks are 27" long, made by the Wilson Arms barrel company and are button rifled.