Board Thread:General Discussion/@comment-32528393-20170201011223/@comment-31881605-20170204160335

SenpaiChing wrote: Omotown, the minigun uses 7.62×51mm NATO round, a lot of military grade weapons use that kind of ammunition The AK-47 uses it's Soviet version, the 7.62x39mm.

Also, the 7.62x51mm is not really an AR cartridge, it's more of a battle rifle, MG etc cartridge