Recent content by spike_jones

oops, or is the 12.7mm the diameter of the actual projectile?

Hi agian, Excuse my ignorance, but I thought a 0.50 cal BMG cartridge was 12.7mm in diameter? USA 0.50"/90 (12.7 mm) M2 Browning Machine Gun (BMG) Cheers

Thanks for the reply. As far as I can accurately it's definately 20mm and no more in diameter. So if it's a BMG, would that be an aircraft gun or ship? Cheers

End view

Hope this works

Hi, Sorry, not sure this is relevent to the thread but not sure where to post this but when diving in the English Channel last year I found a spent 20mm cartridge case. Stamped on the base is "43" and "W R A". The case height is 100mm. I'ts ejector slot is indented on the case. I presume...