Serious performance for demanding builds
The ASG Ultimate Boost 40K Custom motor is a high speed, high torque unit built to push an AEG to its limits while keeping the gearbox internals happy. Rated around the 40,000 rpm class, it is a strong all-round choice for players who want a snappy trigger response and a healthy rate of fire.
Long axle, wide compatibility
This long axle version is compatible with Version 2, 6 and 9 gearboxes, so it drops into a huge range of popular platforms including many M4, MP5 and P90 style replicas. Check your gearbox version before ordering to be sure of the fit.
Built from quality components
Inside you get a CNC machined steel pinion on a stainless steel shaft, a silicon steel rotor and a precision-built housing with enlarged ball-bearing shaft stabilisers. High-grade silver plated wiring and larger carbon brushes keep current flowing cleanly for consistent power delivery.
Heat resistant neodymium magnets
The Boost 40K uses heat resistant neodymium magnets, the strongest type of permanent magnet, which hold their strength at higher temperatures. That matters in high-speed and high-torque setups where a lesser motor can fade or burn out under load.
Fitting and support
We recommend this motor is fitted only by an experienced or qualified airsoft technician, as incorrect installation can cause damage or failure not covered by warranty. Platoon Stores offers a full fitting, upgrade and maintenance service through our Kent airsoft workshop, or browse more airsoft accessories to complete your build.
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