Sixmm Airsoft show the MadDog] Full Plastic READY MAG designed for Tokyo Marui M4 AEGs and Systema PTWs. Introducing the MadDog Full Plastic READY MAG, the professional's choice for swift magazine reloads. This robust metal system mounts externally on your M4/M16, holding an extra magazine readily available for crucial CQB scenarios. Its versatility extends to serving as an external battery holder with minor modifications. While designed for M4/M16 platforms, installation on MWS or VFC GBB may require slight adjustments to ensure a secure fit.