Ithaca Gun Company produced U.S. military
M1911A1 pistols during World War II.
Ithaca Serial Number Ranges
Year
Serial Range
Notes
1943
856405 – 916404
Duplicate Ithaca serial range.
Verify authenticity with F.J.A. inspection marks.
1943
1208674 – 1279673
Ithaca WWII production
1943
1441131 – 1471430
Ithaca WWII production
1944
1743847 – 1890503
Ithaca WWII production
1945
2075104 – 2134403
Late Ithaca WWII production
1945
2619014 – 2693613
Final Ithaca WWII production
Inspector Information
Inspector Initials
Inspector Name
Notes
F.J.A.
Colonel Frank J. Atwood
Primary WWII acceptance inspector
for Ithaca production.
Common Characteristics
Parkerized finish
F.J.A. inspection mark on frame
Crossed cannons ordnance stamp
WWII contractor frame markings
Ithaca slide marking variations
Collector Notes
Ithaca serial numbers from 856405 through 916404
overlap with Colt production ranges.
Proper identification should include:
frame markings, slide markings,
F.J.A. inspection marks,
finish characteristics,
and ordnance markings.