The Arts Alpha AS-40 Double Barrel 40mm Grenade Launcher ( by SAVIA ) is a complete package that includes 2pcs 40mm grenades. It is designed to be compatible with most 40mm grenades available on the market, such as the Acetech Acehive. The launcher is primarily made of CNC aluminum, which ensures durability and reliability. With its double barrel design, this grenade launcher offers enhanced games firepower and versatility.