Features: Pocket cannon compact design makes it easy to carry in a holster or pouch Included shower grenade shell for launching a BB cloud toward your foes Light weight and robust construction. Compatible with all standard 40mm M203 Airsoft gas grenade shells Integrated Matrix Tactical System Ergonomic AR-15 AEG Motor Grip. Compatible with Marui / G&P style AEG M4 AEG motor / pistol grips. Can shoot BB showers and gas shells with other projectiles 20mm top rail can be used for sights, optics, or to mount onto your primary weapon using a Picatinny rail adapter On-frame safety Ergonomic thumb switch activation with sprint latched outer barrel for high speed shell loading and reloading Great to use as a side arm or as an "Ace In the Hole / Last Resort" Capacity: 1 shot (40mm shell included). Compatible with Matrix, 6mmProShop, Madbull, S-Thunder, CAW (Craft Apple Works), King Arms, S&T, and most standard 40mm grenade shells Gas Type: Green Gas, Propane, Co2 (depending on the Airsoft grenade shell used) Package Includes: Grenade Launcher, Shower Shell Grenade Manufacturer: 6mmProShop