The Uzkon ARS-12 very much resembles a Beretta ARX 160. The ergonomics are similar to the FN SCAR. It uses a gas piston located above the barrel to operate the rotating bolt. Its receiver is made from steel and is enclosed into polymer outer shell, and has an adjustable shoulder stock. The gun is fed using detachable box magazines, with standard capacities of 10 or 5 rounds.