Colt 1911 .45ACP/.22LR caliber pistol. Beautiful custom engraved Colt 1911 with .22 caliber conversion unit. Note: Conversion unit is a “U” number unit. Expertly engraved. 1911 slide has a pre-war match target rear sight, as does the conversion unit. Grips are pre-war carved steer head pearls. Gun has 99% blue, all cased in oak. Very fine outfit.