The Savage A22 22 HMR Boyds Pro Varmint Semiautomatic Rifle is a semiautomatic rifle with delayed drawback and a straight-fluted carbon steel barrel and a Picatinny rail. Its Boyds Pro Varmint stock is equipped with a user-adjustable AccuTrigger and a 10-round rotary magazine. Savage Arms Savage A22 22 HMR Boyds Pro Varmint Semiautomatic Rifle - Rifles Rimfire at Academy Sports