Wii Tech CNC Aluminium Hop Up Chamber - Tokyo Marui M4 MWS GBBR Gun Platform_Desert Eagle Spare magazine for the Marui

Spare magazine for the Marui P226 E2 pistol

VX Buckle Up compatible system

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Wii Tech CNC Aluminium Hop Up Chamber - Tokyo Marui M4 MWS GBBR Gun Platform_Desert Eagle Spare magazine for the MaruiThis 6063 aluminium hop up chamber is made by precision CNC machines. It fits Tokyo Marui M4 GBBR airsoft gun, and it is specially made for professional shooter and competition needs, because: 1) High precision dimension increases shooting efficiency and reliability; 2) Smooth surface finishing improves smooth loading BB; 3) The large O ring is modified for holding the hop up chamber as a composite unit. 4) Dimension is modified for increasing hop up