Thread:Ursuul/@comment-29578114-20170305213645/@comment-30049087-20170305220310

It's the same gun, kinda like the "Mega Destroyer". It wasn't an actual "upgrade" because it improve any base stats.

I'd bet that the Machine Gun III is only an option so that the upgrade panel goes away. It's the same tank.

In short, not enough evidence and it looks like the same tank