OLD COLT: WE PROVIDE THE PUBLIC WITH AN ONLINE EDUCATIONAL RESOURCE FOR OLD COLT GUNS.
This Colt .45-22 Conversion Unit Kit was shipped to the Parker-Whelen Company in Washington, D.C. on February 26th, 1941. This Conversion unit was built for the Service Model Ace to allow it to be converted to a .45ACP Pistol.
The finish is blue and is noted that it was Furnished with an adjustable rear sight.
Note that this Conversion Unit is consecutive to that of U-98 which can be seen here.
