The BHP was originally manufactured in Belgium by FN, John Inglis Company in Canada during WWII, Pindad Arsenal in Indonesia, FM Rosario in Argentina and by FEG in Hungary

They also will have MP44s as well. Although not in any of the movies they're still ubercool

At least if not all of the Carbines in the movie were M2s. The close up they did when Indy was holding the Sovs at bay you could clearly see the selector. As for the AKs in the movie, there were a few mistakes. Most were AKMs and not 47s and there were a few Chinese made ones in there as well. The A...

actually if you want to get particular about that Hi Power is was not period correct. It was a later external extractor and no "thumbprint" the right side of the slide forward of the ejection port