You won't find a more reliable semi-automatic air rifle than our 1077. It fires as fast as you can pull the trigger and our exclusive 12-shot rotary clip lets you shoot longer. Power Source: co2 Caliber: .177 (4.5mm) Max Velocity: up to 625 fps (190.5 m/s) Capacity: 12-shot rotary clip Length: 36.88" (93.68 cm) Weight: 3 lbs. 11 oz. (1.67 kg.) Material: Barrel: Rifled steel, Stock: Synthetic Cannot ship to: D.C., Chicago IL, New York City (including Manhattan, Brooklyn, Bronx, Queens, Staten Island) NY, Philidelphia PA, Johnson City TN Manufactures Website Address www.crosman.com Warranty Information