.45 ACP. 5" barrel length. SN: 504581. Reblued metal finish overall mounting replaced diamond checkered Cocobolo grips. Single action short-recoil operated autoloading pistol fed by detachable single stack magazines. Item mounts military pattern sights, a flat lanyard loop mainspring housing, wide 1911 pattern hammer, and frame showing the teardrop cuts to the frame indicative of a Black Army. Left slide marked PATENTED APR. 2, 1897. SEPT. 9, 1902/DEC. 19, 1905. FEB. 14, 1911. AUG. 19, 1913 followed by {Rampant Colt} and COLT'S PT. F.A. MFG. CO./HARTFORD, CT. U.S.A. Right slide marked MODEL OF 1911. U.S. ARMY. Left frame struck UNITED STATES PROPERTY, with an {Eaglehead/S5} inspection mark above magazine release. Right frame displays serial number only. Barrel has a polished down P stamp to chamber that is perpendicular to the axis of the bore. H stamp to rear slide. Lower barrel marked GS. Magazine is fully blued and unmarked. {C&R}