The first and the best. The A17 Target Thumbhole boasts our exclusive delayed-blowback semi-automatic action specifically designed for the 17 HMR cartridge. It features a hard chrome bolt, case-hardened receiver, 10-round rotary magazine and button-rifled barrel. The user-adjustable AccuTrigger and heavy barrel further increase accuracy.FeaturesSemi-automatic rimfire specifically designed from the ground-up for the 17 HMRGray wood-laminate thumbhole stockFluted heavy target barrelDelayed-blowback action ensures safe, reliable cyclingHard chrome bolt with oversized bolt handleCase-hardened receiver and 22-inch button-rifled barrel10-round rotary magazineUser adjustable AccuTrigger