Now at Landwarrior Airsoft is the G&P Tokyo Marui M870 Gas Charging Collapsible Stock Set to change the standard gas stock that comes with the Marui M870 Gas Shotgun... "This is a brilliant piece of equipment that allows you to run your Tokyo Marui M870 Shotgun with any M4 stock on it! Gas is stored in a sleeved insert inside the buffer tube for quick swaps. The pistol grip can be exchanged for any GBB grip.

• Only For Marui Shotgun
• Material: Steel & Aluminum
• Buttstock & Grip Material: PA+GF

Includes:

• M870 Buttstock Adaptor (CNC Process) (Marui)
• WA I.A. Grip (Black) (WP141B)
• WA Crane Type Buttstock (Black)
• WA 6 Position G.C. Stock Pipe
• Gas Charging Cartridge (Marui) (MSP010A)"