 Colt Service Model Ace
Serial Number SM2966 - WWII issue, W.B. inspector's mark for Col. Waldemar S. Broberg, Army Inspector of Ordnance
from July 1, 1941 to June 16, 1942 at the Hartford/Springfield Ordnance
District. The slide of this gun is numbered 2906. Both Service
Model Ace pistols SM 2966 and SM 2906
were shipped to Springfield Armory 2-16-42 in a shipment of 53 guns.
Close-up of the W.B. ordnance mark.
Pistol is fitted with a M1911 trigger.
Right side.
Right side close-up of serial number.
Right side close-up of Service Model
Ace slide markings. 
Major component parts of the Service
Model Ace. Left side pictured with
two-tone magazine. 
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.
Close-up of barrel, floating chamber and
ejector disassembled.
Close-up of barrel, floating chamber and
ejector assembled.
Checkered mainspring housing and grip
safety.
Front grip and underside of frame.
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