The SilencerCo Glock Threaded Barrels are the best way to incorporate a silencer into your handgun build. These Pistol Barrels are compatible with a variety of Glock models and Generations including Glock 17, Glock 19, Glock 23, and more. Constructed of 416R stainless steel and finished in black nitride, these pistol barrels are built to handle harsh conditions anywhere you take them. Also, all SilencerCo threaded barrels include a thread protector. Add a silencer to your firearm with ease by using a Threaded Glock Barrel from SilencerCo. Specifications for SilencerCo Glock Threaded Barrel: Manufacturer: SilencerCo Color: Black Finish: Nitride Barrel Material: 416R Stainless Steel Gun Make: Glock Included Accessories: Standard Condition: New Features of SilencerCo Threaded Glock Barrels: Made of 416R stainless steel and finished in black nitride (some models remain stainless) SilencerCo threaded barrels come with a thread protector Glock Barrel Compatibility: Our threaded barrels are compatible with the following Glock handgun generations: G19: Gen 1-5, 19X, G45 G17: Gen 1-4 (not Gen 5) G26: Gen 1-5 G34: Gen 1-4 (not Gen 5) G43: G43 & G43X G21: Gen 2-4   Glock 43 piston compatibility: Due to the shorter threads on the Glock 43 barrel, it requires the use of the 1/2×28 SN piston (AC1756). Package Contents: SilencerCo Glock Threaded Barrel The SilencerCo Glock Threaded Barrel is a quality addition to the SilencerCo lineup. For more great deals on Pistol Barrels by SilencerCo, please browse our SilencerCo Gun Parts page.