The handheld "Villar Perosa" double submachine gun was made up from two inverted Beretta 38A submachine guns, a Bren LMG front grip, and a trigger group from an MG42 machine gun. Both guns are serialized with #210.

The real Villar Perosa was mounted on a motorcycle, it was in caliber 9mm Glisenti and they had a real bipod. Serial #411.