Board Thread:Off Topic/@comment-27144409-20180503154648/@comment-27144409-20180603111521

Well .50 cal rounds did nothing, so I'd imagine that the 7.62 rounds used by the M134. Also, her gun looks to be closer in size to the M61 Vulcan aircraft cannon, which is chambered in 20X102mm.

The one from the the V4 trailer looked smaller than the ones from episode 8 and the Coliseum.