The Hammerli Tac R1 22 C rifle offers the best precision, quality, and value of any 22LR AR-Style rifle on the market. Featuring a 13a ^2 M-LOK handguard, flip up back-up sights, removable flash-hider, and ergonomic stock and grip, the Tac R1 22 C rifle is the most versatile .22 rifle available. All of these features, in addition to the all-aluminum construction of its receives and handguard, set a new standard for performance and value. Firearm Features M-LOK Handguard 5X Adjustable Stock Flip-Up Sights All Aluminum Construction Muzzle Thread 1/2a ^2-28 20 Round Magazine Tunable Bolt Carrier Mfg: Walther Arms Inc