Made for the .45-caliber GLOCK 21 pistol, this left hand threaded barrel can support a compensator and is still compact enough for everyday carry. This factory original Glock barrel is made from steel with a black finish and is designed specifically for GLOCK 21 Gen 3 and Gen 4 models.
The barrel features M16x1LH thread pitch, which allows for the attachment of various muzzle devices such as suppressors or compensators, providing versatility for shooters looking to customize their platform. The barrel has octagonal, right-hand rifling with a 400mm / 15.75″ length of twist, engineered for consistent, reliable performance. A thread protector is included with each barrel.
Manufactured to the exact same specifications, tolerances and materials as the original parts, this OEM Glock component is a direct replacement that functions as a drop-in upgrade. this threaded barrel maintains the reliability and precision you expect from Glock factory parts.
