ONLY HAVE 2 LEFT! Features: Pocket cannon compact design makes it easy to carry in a holster or pouch Light weight and robust construction Compatible with all standard 40mm M203 Airsoft gas grenade shells 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"