Colt Automatic Pistol and Revolver Information - 25 years of Service to Colt Firearms Collectors




Colt Model 1911A1 U.S. Army .45 ACP - J.S.B. Inspected Serial Number 2364230 (ca. 1945)

Troy Partin Collection

Colt - Model 1911A1 serial number 2364230 - Late 1945 production, with J.S.B. ordnance inspectors mark.  The initials of civilian John S. Begley, Army Inspector of Ordnance, were stamped on all M1911A1 pistols and some Service Model Ace pistols manufactured from July 15, 1945 - December 5, 1945, signifying government acceptance of the pistol.  His initials were stamped on the left side of the receiver below the slide stop in accordance with Ordnance drawings.  They were also stamped on the top of the receiver "G" near the disconnector hole.

JSB are the initials of John S. Begley (marked J.S.B.).

Right side view.

Front grip strap.

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