Originally manufactured for use by Combat Swimmers, the Z-84 could be used right out of the water without any need to drain the working parts or magazine, known as over-the-beach or OTB capability.

Realizing they couldn't rebuild the same weapon over and over, they built the Z-84 completely from scratch using modern designs and engineering.

The Z-84 is a 9mm Parabellum, blowback operated, selective-fire, capable of fully automatic firing, open bolt weapon which heavily derives from the Z-75.

23 submachine gun, the overhung bolt had become a fixture in many of today's modern designed SMGs, being employed in firearms such as the Israeli UZI and Italian Beretta M12.

A sturdy folding metal stock helps the weapon gain accuracy when fired from the shoulder, and has a safety switch on the trigger.