The Walther Hammerli TAC R1 22 Pistol offers the best precision, quality, and value of any .22 LR AR-Style Pistol on the market. Featuring a M-LOK handguard, flip up back-up sights, and removable flash-hider. The TAC R1 22 Pistol is the most versatile .22 Pistol 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.