Militech Mini-Gat Machine Carbine

Militech Mini-Gat Machine Carbine is the .22cal caseless (5mm) has never been taken seriously as a defensive round until now. The Mini-Gat is a 5mm five barrel gatling gun capable of emptying its helical magazine in under five seconds flat! Don't be satisfied with some machine pistol's dinky thirty-round clip when a Mini-Gat carries one hundred and twenty rounds! It's electronically fired, operating from a rechargeable battery in the magazine.

Source

 * Chromebook Volume 1, pg.50
 * Blackhand's Street Weapons, pg.18