MCX Super Charging Handle (SCHA(R)) The MCX Super Charging Handle (SCHA(R)) is 3D machined from a solid block of aircraft grade 7075-T6 aluminum and made specifically for Sig Sauer's MCX platform. Its ambidextrous design allows for seamless operation from either side of the weapon. The levers are dual contoured similar to that of the charging handle of an M14, where not only the x-axis but also the y-axis receive radius cuts. The handling surface of the lever is also checkered, adding a textured grip aiding to the use when operating with gloves. The heightened rear lip of the MCX SCHA(R) aids in mitigating gas blow back to the shooter when shooting with short barreled and su Mfg: Geissele Automatics