This RugerA(R) Rifle Magazine is manufactured to the same specifications and uses the same materials as the original part. Our low price makes it the right time to stock up! Fits the 77/17, 77/22, and Ruger American Rimfire models Chambered in either .17 HMR or .22 WRM Rugged polymer body and follower Metal feed lips 9 Rounds New condition Order now!