Maxx Model M4W Pro Hop Up Chamber - MTW HPA i4 A great universal vest for

A great universal vest for all players

Tracer rounds are the BIO variety

 Material –Aluminum Alloy 6000 series

Fits in the ICS pistols (Challenger and Hi-Capa)

Gas guns can use the Maple Leaf or standard GBB buckings

Maxx Model M4W Pro Hop Up Chamber - MTW HPA i4 A great universal vest forThe 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