SilencerCo Threaded Barrel 4.50" 40 S&W, Black Nitride Stainless Steel, Fits Glock 23 AC1757

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.

• GLOCK® 17 — 9MM 1/2″–28 (AC864) | 5″ length
• GLOCK® 17L — 9MM 1/2″–28 (AC861) | 6.5″ length
• GLOCK® 19 — 9MM 1/2″–28 (AC862) | 4.5″ length (Fits GEN 1-5, Model 45 & 19X)
• GLOCK® 21 — 45ACP .578″–28 (AC863) | 5.2″ length
• GLOCK® 22 (Gen 2-4) — 40S&W 9/16″–24 (AC50) | 4.8″ length
• GLOCK® 23 — 40S&W 9/16″–24 (AC1757) | 4.5″ length
• GLOCK® 26 — 9MM 1/2″–28 (AC1329) | 3.9″ length
• GLOCK® 34 — 9MM 1/2″–28 (AC860) | 5.8″ length
• GLOCK® 43 — 9MM 1/2″–28SN (AC1726) | 3.7″ length

NOTE: Glock 19 barrel will fit Gen 1-5 and model 45 and 19x