Maxx Model M4P Pro Hop Up Chamber - HPA Polarstar Speedloader Most people use the soft

Most people use the soft style

A universal plate carrier vest for adults

Black polymer made grip for minimal setups

Action Army VSR-10 Bolt Handle - Type A in Grey/Black - Left Hand version

Comes in multiple versions (see drop-down menu)

Maxx Model M4P Pro Hop Up Chamber - HPA Polarstar Speedloader Most people use the softThe newest Maxx M4P Pro HopUp Chamber for HPA PolarStar Engines on standard M4 M16 platforms. The CNC Aluminum Hopup Chamber M4P Pro (with BB Latching System) blue unit is precisely made to improve accuracy and ensure consistent air seal for all HPA PolarStar Engines on standard M4 M16 platforms. **The M4P unit is updated for 2022 and replaced the previous older red ME unit. The M4P includes more precise improvements including accepting more hopup