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40x310mm Bofors "40mm-MK3 4-44 CL-GHB"

sksvlad

Well-Known Member
Was it made in April 1944? What is "GHB"? Also, what's the difference between 40x310mm and 40x312? Why to have 2 almost identical calibres?
2017_07300006.jpg40x310mm Bofors.jpg
 
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I don't think that the calibres are different - I have always had that one down as 311mm, and there could well have been minor differences.
 
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