Karma SLS PCP Air Rifle Precharged pneumatic Sidelever or semi-auto action Aluminum air cylinder: 350cc (Standard), 250cc (Compact) 70cc plenum Fill pressure: 310 BAR/4,496 PSI Baffled barrel shroud 1/2x20 UNF threaded muzzle with thread protector Average energy with base tune (Standard): 45 FPE (.22), 48 FPE (.25) Average energy with base tune (Compact): 31 FPE (.22), 44 FPE (.25) Magazine capacity: 12 (.22), 10 (.25) Max. shots per fill (Standard)*: 48 (.22), 60 (.25) Max. shots per fill (Compact)**: 36 (.22), 20 (.25) Barrel twist rate: 1/17.7 Externally-adjustable regulator Tool-free externally-adjustable hammer spring Tool-free externally-adjustable transfer port Two manometers: regulator pressure gauge and fill pressure gauge AR-style ergonomic pistol grip Picatinny optics rail with 20 MOA cant Picatinny and M-LOK accessory rails Arca-Swiss bottom rail Manual push button safety Mil-Spec adjustable folding stock Barrel length: 16" (Standard), 12" (Compact) Overall length: 36.2" (Standard), 31.5" (Compact) Weight: 9 lbs. (Standard), 8.15 lbs. (Compact) * - maximum shots per fill using 25gr pellets, at 898 FPS (.22), 918 FPS (.25) ** - maximum shots per fill using 18.13gr pellets at 881 FPS (.22), 25gr pellets at 886 FPS (.25)