Key Features of the Umarex Origin .22 Cal PCP Air Rifle with Hand Pump: Precharged pneumatic Sidelever action Includes 3-stage 4500 PSI hand pump 100 pumps to fill tank, gives up to 40 shots 13 pumps for one full-power shot Max. velocity: 1075 FPS Magazine capacity: 10 rounds Integrated sound suppressor Combination 11mm dovetail/Picatinny optics rail 2-stage adjustable trigger Textured pistol grip Rubber buttpad Manual safety 3625 PSI/250 BAR fill pressure Automatic overpressure release Weight: 6.8 lbs. Includes: 2 magazines, fill probe, pump rebuild kit, multi-tool (IMPORTANT - ALL SALES ARE FINAL. If you have questions about availability or any other pre-sales questions, just contact us via our contact us page and we'll be happy to help you!)