The ARX-160 is an assault rifle of Italian origin. It is manufactured by Beretta, and it can accept the commonly-used 5.56x45mm NATO cartridge.
The ARX-160 departs from the previously issued Beretta 70/90 weapon system under several points of view. The weapon is composed of two receivers, both manufactured mostly in polymer, and operates through a short-stroke piston system. The ARX-160 uses NATO STANAG magazines.
The weapon has many unique features like ambidextrous safeties, magazine catches and charging handle, and the ability to change which side spent casings are ejected. a quick-change barrel can be removed and replaced in seconds without tools, and there are two picatinny rails for sights and accessories.
The Beretta ARX-200 is a derivative of the ARX160 modular assault rifle and was introduced in late 2015. it was only available for military and law enforcement use.It is chambered in 7.62×51mm NATO cartridge and operates through a short-stroke gas piston system with a rotating bolt.