Threaded Barrels For GlockA(R) - Threaded Barrel For Glock 19 Ss 1/2''''x28

Silencerco's threaded barrels for GlockA(R) 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 GlocksA(R). 9mm barrels have 1/2x28 threads, while the .45 ACP barrel has .578x28. Includes thread protector. GLOCKA(R) 17 - 9MM 1/2a ^2-28 (AC864) | 5a ^2 length GLOCKA(R) 17L - 9MM 1/2a ^2-28 (AC861) | 6.5a ^2 length GLOCKA(R) 19 - 9MM 1/2a ^2-28 (AC862) | 4.5a ^2 length (Fits GEN 1-5, Model 45 & 19X) GLOCKA(R) 21 - 45ACP .578a ^2-28 (AC863) | 5.2a ^2 length GLOCKA(R) 22 (Gen 2-4) & Mfg: Silencerco