The PS90 is the civilian carbine variant of the well-known P90 originally developed as a PDW for NATO forces during the Cold War. The PS90 utilizes a simple blowback operation and a unique bullpup design utilizing a horizontally-stacked, top-mounted magazine. Each magazine boasts and impressive 50-round capacity far outclassing most carbines in its class while maintaining a compact size. The PS90 also features fully ambidextrous controls and ejects spent casings straight down through a bottom port, making it very left-hand friendly. This model features an FDE polymer body and includes one 50-round magazine.