ShowGuns Mini Tactical 20mm Grenade Launcher

ShowGuns Mini Tactical 20mm Grenade Launcher Polymer Construction Fit to Mount on any 20mm Picatinny Rail Handguard & Pistol Able to Hold 1x Shotgun Shell (Shell Included) Shotgun Shell Fit for 6mm Plastic Bullet Only (134A Gas / Green Gas / CO2 Suggested) Each Shell can hold 6 rounds BB