Full metal frame with single or double action - for real feel handling; Fueled by a 12-gram CO2 cartridge - delivers speeds up to 435 fps (CO2 cartridge not included); 10-Round .177-caliber rotary pellet clip (pellets not included); 6-round 4.5mm rotary BB clip - (BBs not included); Fixed blade front sight and adjustable rear sight - to stay on target; Use with crosman copperhead BBs and .177-caliber pellets