Maxx Model M4W Pro Hop Up Chamber - MTW HPA m190 For ALL M4 and M16

For ALL M4 and M16 style magazines

and SHS preinstalled internal parts in its gearbox

You can even mount three pistols on here if you really wanted to

raises your Picatinny rail platform by ¾"

Maxx Model M4W Pro Hop Up Chamber - MTW HPA m190 For ALL M4 and M16The newest Maxx M4W Pro HopUp Chamber for HPA Wolverine MTW Milspec, Forged, Billet, and MTW 9 series. The CNC Aluminum Hopup Chamber M4W Pro (with BB Latching System) blue unit is precisely made to improve accuracy and ensure consistent air seal for all HPA Wolverine MTW Milspec, Forged, Billet, and MTW 9 series platforms. The Hopup Chamber M4W unit has a precision rotary dial design for fine hopup adjustments, also re engineered the hopup levers and