CNC machined and heat treated, providing a life time of service and unparalleled accuracy and manufactured from the highest grade mill select 416 stainless forgings. The standard groove and land rifling make this an excellent choice for those who wish to shoot lead, plated or jacketed bullets. Can be used in factory ported or stock pistols. Stainless Threaded barrel, .578x28 threads. Fits Glock 21 only.*
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