KRISS USA, makers of the Vector family of firearms, showcased the new 9mm versions of their mainstay firearm at Big 3 East, near Daytona Beach, Florida. Heavily influenced by Maxim belt-fed heavy machine guns of the First Word War, the Vector utilizes a proprietary operating method that shifts the recoil impulse downward to counter muzzle climb. Original models were chambered solely in .45 ACP, designed to reintroduce the concept of a submachine gun to the US military.
The...