The 1851 NAVY YANK 36/44 cal. was probably Col. Samuel Colt's own favorite. He named it Navy Model meaning its use on the sea even though it was sold in larger quantities to the Army rather than to the Navy. The Navy Yank inseparable companion of the Yankees during the Civil War and of the pioneers in the conquest of the West famous for its shot rapidity and for its light recoil was considered as one of the most brilliant single action revolver. Its historical peculiarity is the six chamber cylinder on which the naval battle of Campeche between the Texas Navy and that from Mexico is roll engraved. Barrel Length: 7-1/2" Twist: 1:30" OAL: 13.20" Caliber: .36 Cal Model: 1851 Grips: Walnut Frame: Steel Action: SAO Series: Navy London Ignition: Striker Fire Barrel Description: Octagon Barrel Length Range: 7" to 7.99" Weight Range: 2.65 lbs