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Discounted Glock 21 barrels - get better performance and accuracy out of your Glock 21 with the best Glock 21 barrels. Match barrels, threaded barrels, Gen 4 barrels. Buy from top brands like Lone Wolf, DELTAC, Wilson Combat, and More!
G21 Gen4 .578X28 Right Handed .45 SAE Threaded Barrel with metal Thread Protector Note: Not compatible with the G21 Gen5 MOS model. Made for the .45- caliber GLOCK 21 Gen4 pistol, the threaded barrel can support a compensator *Thread protector included * .578 x 28
Shop LWD and AlphaWolf barrels for Glock 20, G21, G40, and G41. Choose from our conversion, stock length, non-threaded, and threaded barrel options.
Find the best Glock accessories available when you shop online at GlockStore.com. From barrels and holsters to magazines and custom items, our business has the items you need!
16″ Barrel with .578″ x 28 thread for Glock 21 (Gen 3, 4, & SF) and P80 PF45; Muzzle Device; Thread Protector
Silencerco’s threaded barrels for Glock® handguns are made from 416R stainless steel and available with a black nitride or natural stainless steel finish. These fit both Gen 3 and Gen 4 Glocks®. 9mm barrels have 1/2x28 threads, while the .45 ACP barrel has .578x28. Includes thread protector.
Our advanced proprietary button rifling process allows KKM barrels to offer greater accuracy over stock barrels. Our Glock barrels come with fully supported SAAMI spec match chambers for shooting factory or reloaded ammunition as well as lead or jacketed bullets. *Unless noted all barrels are drop-in fit.
