The Beretta Mx4 Storm is a new submachine gun version of the Beretta Cx4 Storm semi-automatic carbine. The Mx4 has been designed for the Indian Ministry of Home Affairs who should be receiving their first shipment in the next 12 months.
The gun is chambered in 9x19mm NATO. It features a 12″ barrel and has a total length of 25″. It weights 6.28 lbs (including magazine). I am guessing that the magazine pictured is Beretta’s 30 round magazine. I could be wrong, but it looks to me like the barrel is threaded for a suppressor and a thread protector has been screwed on.
If I owned a Beretta Cx4, the first thing I would want to do it chop the barrel down to 12″ (I currently own a 12″-barreled carbine and love it).
[ Many thanks to REMOV for proving photos and information. ]
[Hat Tip: Janes for some info. ]