B & T Firearms BT4200USTB TP w/Optic 380 ACP 30+1 5" Threaded, Black, Picatinny Rail Frame, No Brake, Iron Sights, Aimpoint Acro Included

The MP9 represents the latest advancement in personal defense weapons, and is the worlds lightest select-fire 9x19mm weapon system. Ideal for surveillance teams, vehicle crews, strike forces, and PSD details the MP9 surpasses all other submachine guns in size, weight, and flexibility. This revolutionary platform is now available in a scaled down, semiautomatic variant chambered in .380 ACP, known as the TP380.