G&P Shotgun M870 Masterkey Kit
Full Metal Construction
Design for Maruzen M870 Series Airsoft Shotgun
This Masterkey Kit Can fit G&P M4A1 Handguard Kit
SKU GP312 UPC N/A Item Weight (gram) 1005 Major Color Black Built Material Metal Manufacturer G&P Hop-up N/A Shooting Mode N/A Gearbox Type N/A Fit Battery Pack N/A Bullet Type N/A Pistol Power Source N/A
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Quality Price Valueon 5/26/15
A Must for adding a shotgun onto Your M4 Like Predator, however, pretty pricey M870 Masterket Kit. Will NOT work with Maruzen shell ejecting, since there will be no air tank source.