Glock Factory Barrel Glock 21 45 ACP 1 in 15-3/4" Twist 4.60" Carbon Steel Matte

This Glock Factory Barrel Glock for the Glock 21 is a factory original from Glock. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation. Some parts may need to be installed by a qualified gunsmith.