Country of Origin : United States Role : Pistol In-Service Date : 1907 Manufacturer : Colt Patent Firearms Co. Number Produced : 325,000+ Operation : Double Action Revolver Feed : 6 round revolving cylinder Cartridge Name : .44 Colt Special Cartridge Size : 11.2mm x 29.5mm Cartridge Total Weight : 22 grams Bullet Weight : 19.8 grams Weapon Length : 27.3 cm Barrel Length : 14 cm Empty Weight : 1.02 kg Combat Weight : 1.13 kg Muzzle Velocity : 282 meters per second Practical Rate of Fire : 18 rounds per minute Cyclic Rate of Fire : 18 rounds per minute Effective Range : 30 meters Scope Types : None Bayonets : None Grenades : None Other : None