Thread:Sentry 616/@comment-28505610-20160609150419/@comment-27144409-20160628202829

I think we can make educated guesses for some. Ruby uses a .50(BMG?), Blake uses a 9mm, Ren uses a 9mm (or a .45), I'd guess Pyrrha uses the same kind of .30 caliber rounds as WWII American rifles, Coco uses either 7.62x51mm or 20x102mm etc.