Combat Armory Barrel Fits Glock 21 Gen 1-4 45ACP Barrel

Combat Armory barrel for Glock 21 45ACP Naked Stainless Polished • 45ACP • Drop in fit for Gen 1-4 • Machined from 416 stainless steel and h eat treated to RC 41 • Fully supported chamber and improved feed ramp design • Polished Feed Ramp for easy feeding • Target crown and oversized lock up area • Conventional rifling with a polished chamber and bore to perform well with lead, plated and jacketed bullets • 4.6'' in length