U.S. Navy 20 mm, 1.1 inch & 40 mm AA MG Ammunition Review & History, (Color-Letter Codes) WW2, 1946

The report listed below contains some information on projectile color codes and letter codes as used during WW2 by the US Navy. There is also information on fuzes, primers etc.

AMMUNITION FOR U. S. NAVY ANTI-AIRCRAFT MACHINE GUNS, SYNOPSIS OF DEVELOPMENTS DURING WORLD WAR II AND SUGGESTED FIELDS FOR FURTHER IMPROVEMENTS. 1946. PDF below-

U.S. Navy 20 mm, 1.1 inch & 40 mm AA MG Ammunition Review & History, (Color-Letter Codes) WW2, 1946.pdf (6.6 MB)

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Thanks Brian

Excellent document Brian!
Thanks a lot!

Good find…thanks for posting