Crosman M4-177 Multi-Pump Air Rifle, Adj. Stock

3-10 pumps, 18-rd BB mag & 5-rd pellet mag660 fps/BBs, 625 fps/pellets (velocities in owner's manual are incorrect) Caliber .177" (4.5mm) Max Velocity 660 fps Muzzle Energy 4.93 ft/lbs Stock Synthetic Grip Ambi Color Black Multi-pump pneumatic 3-10 pumps (never exceed 10 pumps) Bolt-action 18-rd BB mag, 5-rd pellet mag 350-rd BB reservoir Aperture rear sight adjustable for windage Post front sight adjustable for elevation Both sights are removable Weaver/Picatinny optics rails above the receiver, below the front sight fitting and on the underside of the forearm Adjustable/telescoping stock (30.5" to 33.75") Sling loops Manual safety Includes sight adjustment tool 660 fps with steel BBs and 625 fps with pellets (velocities in the owner's manual are incorrect) Looks and feels like an M4 firearm. Shoots either BBs or pellets, so you can use whatever ammo you've got on hand. Since it's a multi-pump, you can pump it up to 10 times to get higher velocities or less i