The Maxx CNC Aluminum Hopup Chamber M4W (for MTW M4) is a dedicated hop-up chamber for Wolverine MTW rifles and compatible Heretic Labs Article Series M4 builds. Designed for players who want a more precise internal setup, it replaces the standard chamber with a CNC machined aluminium unit aimed at cleaner fitment and more consistent hop performance.
In practical use, a well-made hop chamber helps keep feeding and hop application predictable, which matters when you are trying to hold accuracy shot after shot. For experienced players tuning an MTW platform, this is the kind of internal upgrade that can make the rifle feel more settled and repeatable during skirmish use, especially when paired with the right hop rubber and inner barrel.
Its aluminium construction also makes it a smart choice for builds where durability and precise machining matter. Whether you are refreshing an existing MTW or refining a custom setup, this Maxx hop-up chamber is a focused upgrade for players who care about consistency rather than unnecessary extras.
Add the Maxx CNC Aluminum Hopup Chamber M4W to your MTW build and fine-tune your rifle with confidence.

















