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Conversion Unit .22-.45 Instruction Sheet PDF (457k)
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Pre-War Colt .22-.45 Service Model Conversion Unit
United States Army - SN U1748

 

Rich DiFlorio Collection
World War Two  (ca. 1943) Numbered Conversion Unit serial number U1748 - complete with original box, instructions and all accessories.   Two tone magazine with "Service Model" designation on the floorplate. 

This unit was shipped February 22, 1943 to the United States Government, Transportation Officer, Fort Myer, Rosslyn, Virginia for Ordnance Officer.  Unit was one of 50 in the shipment and was process on Colt Factory Order number 1979.

Standard ".22-.45 Service Model Conversion Unit (Floating Chamber)" label on top of box. 

Listing of eight component parts (as opposed to seven in post-war box) for the pre-war .22 Service Model Conversion Unit printed inside box lid.

"U" prefix number on the top of the slide just ahead of the rear sight.  This specific unit letters as having been shipped to the United States Army in 1943.

Complete set of pre-war components.  Rampant Colt is present on the left side of slide only (on some pre-post war numbered units, Rampant Colt logo visible on both sides of slide).

Left side of slide bears "COLT'S PT F.A. MFG. CO. HARTFORD CT. U.S.A." and patent numbers 2,090,656 and 2,090,675.

Late style Stevens Sight

Barrel, ejector and floating chamber.  Barrel and floating chamber are numbered to the slide.  Ejector is milled type and is held in place by a small piece of piano wire.
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