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					Rich DiFlorio CollectionWorld War Two  (ca. 1942) Numbered Conversion Unit 
					serial number U1354 - 
					complete with original box, instructions and all 
					accessories. 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.  Two tone magazine 
					with "Service Model" designation on the floorplate.  This 
					unit was one of 15 units sold to the United States 
					Government and shipped May 5, 1942 to the 
					Depot Quartermaster, United States Marine Corps, Philadelphia, Pennsylvania.  
					Processed on Colt Factory Order Number 241. 
					 
					 
					View of the right side of the Colt Service Model Conversion 
					Unit slide. 
					 
					View of the left side of the Colt Service Model Conversion 
					Unit slide. 
					 
					Floating chamber - note how it's polished bright and 
					unfinished. 
					 
					Right side profile. 
					 
					Conversion Unit component parts in the box. 
					 
					 
					 
					Barrel muzzle also polished bright and unfinished. 
					 
					Magazine base marked "COLT 22 L.R. SERVICE MODEL ACE" 
					 
					Underside of conversion unit. 
					 
					Instruction sheet code Form A217 
					Standard ".22-.45 Service Model Conversion Unit (Floating 
					Chamber)" label on top of box. 
					Pre-war 1940s vintage standard end label. 
					"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 Marine Corps (USMC) in 1941. 
					 
					Complete set of pre-war components.  Rampant Colt is present 
					on the left side of slide only (on pre-post war numbered 
					unit, 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 markings. 
					 Late style Stevens sight, rear view. 
					 Later style Stevens sight, left view. 
					 Later style Stevens sight, right view. 
					 Front sight - muzzle view. 
					 Colt Service Model Ace milled feed ramp. 
					 Colt Service Model Ace factory instruction sheet with 
					Form A217 printer's code. 
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