Hatsan Bullpup design side lever action, multi-shot, PCP (PreCharged Pneumatic), Air Rifle has an advanced polymer ambidextrous pistol grip stock. QuietEnergy fully shrouded barrel with integrated sound moderator reduces shot noise by up to percent! Precision rifled and choked barrel for improved accuracy. Integrated accessory rail for mounting a light or bipod. Elevation and fit angle adjustable rubber butt pad and EasyAdjust cheek rest. Optics rail milled for both mounts. Quattro Trigger: 2-stage adjustable match trigger. Detachable air cylinder with Easy Read pressure gauge. Comes with 2 detachable rotary magazines and quick-fill adapter. The Hatsan BullBoss Bullpup is a powerhouse in a compact package, with power output up to The cocking lever is mounted forward of the receiver to make cycling the action quicker and easier than most bullpup rifles. Fully shrouded barrel with QuietEnergy moderator Push-button cheek rest adjustment