MARKSMAN High Output Valve for MARUI M4 MWS GBB / Hi-Capa / APFG MPX GBB Magazine

Compatibility: Tokyo Marui M4 MWS GBB Tokyo Marui / WE / KJ-Works Hi-Capa GBB Tokyo Marui 1911 / MEU GBB Tokyo Marui Type89 GBB VFC 1911 GBB APFG MPX GBB Specifications: Made in Taiwan Material : Copper, Alloy, Rubber