Those involved in making and using them generally call these weapons cannons. The general public likes to call them chain guns on account of the fact they use a roller chain to drive the bolt. No ...
If, like me, you can't decide which ammunition to load into your chain gun, Northrop Grumman has a variant of its 30 x 113mm M230 Link Fed (M230LF) Dual Feed Bushmaster Chain Gun that can swap from ...