FX Panthera MkII Hunter PCP Air Rifle Reversible sidelever 300cc carbon fiber bottle High-power, short impulse valve Dynamic Block Over-the-barrel Dynamic Plenum design Quick Tune System 1/2 UNF threaded muzzle Fill pressure: 250 BAR/3,625 PSI Shots per fill*: 140 (.177), 80 (.22), 48 (.25), 34 (.30) Max. energy**: 28.4 FPE (.177), 50 FPE (.22), 73 FPE (.25), 105 FPE (.30) Magazine capacity: 21 (.177), 18 (.22), 16 (.25), 13 (.30) Superior Smooth Twist X barrel Superior STX barrel liner AMP MKII (Adjustable Match Precision) regulator 2-stage adjustable Quick Set Trigger Dual angled manometers: bottle and regulated pressure Extended Picatinny optics rail with 30 MOA cant Picatinny accessory rails on both sides of block Ergonomic textured FX UG1 grip Adjustable cheek rest, adjustable rubber buttpad Foster Quick-Disconnect fill port Barrel length: 300mm/11.81" (.177 & .22), 380mm/14.96" (.25), 395mm/15.55" (.30) Overall length: 30.51"/775mm (.177 & .22), 33.66"/855mm (.25), 34.25"/870mm (.30) Weight: 6.13 lbs./2.78 kg (.177 & .22), 6.28 lbs./2.85 kg (.25), 6.46 lbs./2.93 kg (.30) Includes hard shell case and 1 magazine * - Using: 8.4gr pellets at 920 FPS (.177), 15.8gr pellets at 880 FPS (.22), 25.4gr pellets at 905 FPS (.25), 44.8gr pellets at 820 FPS (.30) ** - At 170 BAR, with Slug Power Kit, using: 20gr pellets (.177), 30gr pellets (.22), 45gr pellets (.25), 70gr slugs (.30)