Calibers: 22 LR. Capacities: 10 or 12 rounds. Barrels: 4” or 5”. Weight: 19 oz. Lengths: 7.1”, 8.1”. Sights: Drift-adjustable. Features: Quick Defense trigger, firing pin block, ambidextrous slidelock and mag release, Picatinny rail. Comes with two interchangeable frame backstraps and hard case. Tactical model has threaded barrel (add 10%).