Shaw Ruger Precision Rimfire 22 LR Threaded Rifle Barrel, 18in, Precision Match, 1-16 Twist, 1/2-28 Thread, Matte Blued, RPRMCM18

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.