Shaw Glock 19 9x19 SAAMI Threaded Pistol Barrel 4.375in Factory Profile 1-10 Twist 1/2-28 Thread Melonite Black. Shaw machines these barrels with SAAMI spec 9x19 chambers. Muzzle threaded 1/2-28 for suppressor or other device. Specifications for Shaw Glock 19 9x19 SAAMI Threaded Pistol Barrel: Manufacturer: Shaw Color: Steel Finish: Matte Fabric/Material: Stainless Steel Barrel Length: 4.375 in Barrel Profile: Contour Barrel Twist Rate: 1-10 Flutes: Spiral Caliber: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: Glock Gun Model: Glock 19 Weight: 0.32 lb Features of Shaw Glock 19 9x19 SAAMI Threaded Pistol Barrel Drop-In Match Grade Target Barrel to make your Glock 19 worthy of its name. Shaw machines these barrels with SAAMI spec 9x19 chambers. Muzzle threaded 1/2-28 for suppressor or other device. Package Contents: Shaw Glock 19 9x19 SAAMI Threaded Pistol Barrel Thread Protector What firearm models does the manufacturer say Shaw Glock 19 9x19 SAAMI Threaded Pistol Barrel is compatible with? The manufacturer suggests that Shaw Glock 19 9x19 SAAMI Threaded Pistol Barrel is compatible with Glock 19Shaw GL19SSNHF9TM: Glock 19 9x19 SAAMI Threaded Pistol Barrel 4.375in Factory Profile 1-10 Twist 1/2-28 Thread Melonite Black