Colt Conversion Unit .22 LR-.45 ACP - World War II
Conversion Unit in Original Box - SN U1333 (ca. 1942)
Numbered Conversion Unit Serial Number U1333 (ca.
1942) complete with original box, instructions and all
accessories. "U" prefix number on the top of the slide just
ahead of the rear sight. 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 floor
plate. Serial number is on the lid of the box (left side)
in pencil. Accompanying this conversion unit was
Colt Model 1911
serial number 108583 issued to Staff Sergeant Howard
L. Pugh. It was one of 1,904 pistols shipped to
Commanding Officer, Springfield Armory, Springfield,
Massachusetts on March 13, 1915.
Shipped March 6, 1942 in a shipment of 11 units to Richmond
Hardware Co, Richmond, VA for The Adjutant General of
Virginia, Commonwealth of VA, Fulton Warehouse, Richmond,
VA. Processed on Colt Factory Order number 1383.
Barrel, floating chamber and milled
ejector. On the early barrels they peened a short piece of
piano wire to the barrel and cut a groove into the ejector
to retain the ejector in place. This was also done to the
barrels of some Service Model Ace Pistols. See
Model Ace SM 2966
Standard ".22-.45 Service Model Conversion Unit (Floating
Chamber)" label on top of box. U1333 has the serial number written in the upper left corner
of the top label on the box.
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.