40 mm Bofors AA guns made in GB and US

[Hanno Spoelstra]

Originally posted by Bill Murray
I believe you will find those are CMPs of which Argentine received a number after WWII. I think I have a better copy of that photo and will post it if I can find it.

Let me help you, Bill

Source: TANKS! > Argentina

Definitely CMPs - see http://www.oldcmp.net/aacvm.html for some survivors, one of which is very rare.

H.