Maxx Model M4P Pro Hop Up Chamber - HPA Polarstar Speedloader Weight – 160g approx

Weight – 160g approx

Most people use the soft style

The all-steel trigger mechanism vastly improves the durability of the trigger mechanism

Black polymer made grip for minimal setups

Maxx Model M4P Pro Hop Up Chamber - HPA Polarstar Speedloader Weight – 160g approxThe 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