Walther Hammerli Tac R1 22 Long Rifle 16.1in Matte Black Semi Automatic Rifle - 22 Long Rifle - The HAMMERLI TAC R1 22 rifle offers the best precision, quality, and value of any .22 L.R. AR-Style rifle on the market. Featuring a 13in M-LOK handguard, flip up back-up sights, removable flash-hider, and ergonomic stock & grip, the TAC R1 22 rifle is the most versatile .22 rifle available. All of these features, in addition to the all-aluminum construction of it's receivers and handguard, set a new standard for performance and value. Ambidextrous Safety Removable Flash Hider M-LOK Handguard Flip-up Sights All Aluminum Construction Muzzle Thread 1/2in- 28