Army Force Metal 40mm Grenade Launcher (w/ 40mm BB Shower Gas Cartridge, DE)

Army Force Metal 40mm Grenade Launcher (w/ 40mm BB Shower Gas Cartridge, DE) Aluminum Construction Airsoft Grenade Launcher Fit to Mount on 20mm Picatinny Rail System Handguard Utilize standard 40mm BB Shower such as Pro-Arms, G&P, King Arms, Mosquito, Classic Army... Cartridge Come With 40mm BB Shower Gas Cartridge 20mm Rail on Both