Crosman Single Pump Air Rifle Action Kit (781AK) Kit includes: 4 x 10 scope, shooting glasses, 5 targets, 250 pellets, 350 BBs Pneumatic .177 caliber (4.5mm) BB or pellet Sights - front: fixed fiber optic, rear: elevation adjustable Velocity up to BBs - 440 fps and pellets 405 fps