Colt Automatic Pistol and Revolver Information - 20 years of Service to Colt Firearms Collectors




Colt Conversion Unit .45 ACP - .22 LR - Serial Number U104

Colt .45-.22 Conversion Unit

Colt .45 -.22 Conversion Unit serial number U104 - This unit was shipped from Colt's to Strevell, Peterson Hardware,  Pocatello, ID on February 29, 1941.  It was returned to Colt's on April 22, 1941 and shipped again to H.D. Folsom Sporting Goods, New York, NY on May 1, 1941.  Pictured with the set is the original instruction sheet.  This unit came cased with a blued Colt Service Model Ace.

A close-up photo of the markings on the right side of the slide.

Close-up of Slide markings.

Close-up photo of serial number and early style Steven's sight.

Close-up of serial number on top of slide

A close-up of the original match barrel that came with the unit.  In addition to the roll markings, notice the "MB" in a circle on the lug.

Close-up of Original Match Barrel

Gun of the Month

January 2018

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