Platform hub · Tokyo Marui
Tokyo Marui M4 MWS
The gas blowback platform the whole aftermarket builds for. MK18, MTR16 or full-length M4A1 — they all run the same internals, and nothing else has this much support.
MK18 or full-length M4A1?What does NPAS actually do?How do I stop it cooling down in winter?
01Two ways in
Learn it, or build it
The guide is the reasoning: how the platform works, what fits and what is still unverified. The build page is where you pick the parts, see live prices and add them to the basket.
M4 MWS field guide
Hop · gas path · recoil · externals
How a gas gun actually works and why the upgrade order matters: hop first, then the gas path, then the recoil system, then the outside.
Build & buy
345 parts · live pricing · ask the AI in every section
The biggest parts list we publish, grouped the way the rifle goes together, with an assistant in each section to check fitment.