This could be the most innovative .177 caliber semi automatic air pistol that shooters have seen in years. It has a detachable clip that holds your CO2 cylinder and 15 shot BB magazine that slips right into the grip. The receiver slides back and forth after each shot. You can fire it as rapidly as you can pull the trigger. The V-3 has a muzzle velocity of 410 fps and a rifled steel barrel. The rear sight can be adjusted for windage. Weight----1.06 pounds; length....7.6 inches.