carbine, great hunting gun, .22 cal (5.5mm), 900+fps, adjustable power down to sub 500fps, mil-dot scope included with flip-up and sunshade, 3000psi (200bar) max charge, adapter included, 7shot manually indexed mag, smooth two-stage fully adjustable trigger, drp-down butt pad, factory hammer spring and trigger, shoots quarter sized groups at 50+ yards, pressure guage. This air rifle gets filled by a scuba tank. You'll need to buy a scuba tank and the yoke and hose to connect to the tank.