Early production Navy Arms import of the 1851 Navy with the rare squareback trigger guard found only on the first 1,250 original Colt 1851 revolvers. Type: Pistol Action: Single-Action Caliber: .36 Capacity: 6 Year introduced: 1965, Italy Weight: 42 oz Overall length: 13" Status: Discontinued Intended use: Collecting, Reenactment