Shaw Ruger Precision Rimfire 22 LR Threaded Rifle Barrel 18in Precision Match 1-16 Twist 1/2-28 Thread Matte Blued. Shaw machines these barrels with SAAMI spec '22 Long Rifle - Match' chambers. Users will notice increased bolt resistance upon chambering a round as the bullet is pushed into the lands and grooves. Some exterior dimensions have been altered over factory for a more precise fit to the receiver. Thread threaded for suppressor or other device. Specifications for Shaw Ruger Precision Rimfire 22 LR Threaded Rifle Barrel: Manufacturer: Shaw Finish: Matte Caliber: .22 Long Rifle Barrel Material: 416R Stainless Steel Barrel Twist Rate: 1-16 Barrel Profile: Bull Threads per Inch: 1/2x28 Gun Make: Ruger Gun Model: Ruger Precision Rimfire Gun Type: Rifle Flutes: No Condition: New Fabric/Material: Stainless Steel Features of Shaw Ruger Precision Rimfire 22 LR Threaded Rifle Barrel Drop-In Match Grade Target Barrel to make your Ruger Precision Rimfire worthy of its name. Shaw machines these barrels with SAAMI spec '22 Long Rifle - Match' chambers. Users will notice increased bolt resistance upon chambering a round as the bullet is pushed into the lands and grooves. Some exterior dimensions have been altered over factory for a more precise fit to the receiver. Muzzle threaded for suppressor or other device. Package Contents: Shaw Ruger Precision Rimfire 22 LR Threaded Rifle Barrel Thread Protector What firearm models does the manufacturer say Shaw Ruger Precision Rimfire 22 LR Threaded Rifle Barrel is compatible with? The manufacturer suggests that Shaw Ruger Precision Rimfire 22 LR Threaded Rifle Barrel is compatible with Ruger Precision RimfireShaw RPRMCM18: Ruger Precision Rimfire 22 LR Threaded Barrel 18in Precision Match 1-16 Twist 1/2-28 Thread Matte Blued