M2 Armament Group Glock 19 Gen 1-5 9mm Luger Threaded Pistol Barrel Sniper Grey. Engineered with industry-standard 1/2x28 threads this drop-in performance barrel lets you easily attach muzzle brakes micro-compensators or sound suppressors to eliminate recoil and muzzle flash. Whether you are assembling a 3D printed frame (3DP / FMDA) completing a Polymer80 PF940C 80percent build or upgrading an OEM Glock 19 this threaded barrel delivers match-grade lockup and versatile tactical capability right out of the box. Specifications for M2 Armament Group Glock 19 Gen 1-5 9mm Luger Threaded Pistol Barrel: Manufacturer: M2 Armament Group Color: Sniper Grey Finish: Nitride Fabric/Material: Steel Barrel Length: 4.5 in Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: Glock Gun Model: Glock 19 Model Generation: 5 4 3 2 1 Package Contents: M2 Armament Group Glock 19 Gen 1-5 9mm Luger Threaded Pistol Barrel What firearm models does the manufacturer say M2 Armament Group Glock 19 Gen 1-5 9mm Luger Threaded Pistol Barrel is compatible with? The manufacturer suggests that M2 Armament Group Glock 19 Gen 1-5 9mm Luger Threaded Pistol Barrel is compatible with Glock 19M2 Armament Group M2-G19-BARREL: Glock 19 Gen 1-5 9mm Luger Threaded Pistol Barrel Sniper Grey