Firesupport announce that they have in stock the Dirty Works Switch Life extender for Marui AEPs such as the G18c USP, HICAPA-E, M93, M9, MP7, M10, VZ61. They are also available for other types of the AEG such as the M4, AKs, MP5s, and more. Mainly made for Tokyo Marui AEPs and AEGs, these are simpler to use that a MOSFET if your aim is to extend the life of your AEG switch.
