Maxx Model Hop Up Chamber M4P Pro BlueThis is the newest offering from Maxx Model Products. The M4P is designed to work with HPA PolarStar Engines. CNC Aluminum Hopup Chamber M4P Pro (with BB Latching System) unit is precisely machined to perform accurately and consistently with HPA PolarStar Engines on standard M4 M16 platform. The Hopup Chamber M4P unit is built with an aluminum Rotary Dial Knob for fine hopup adjustments, the precision Hopup Lever and 4mm Bucking Nubs (6mm Bucking Nubs

Very Ideal for High stress builds

USE WITH BRUSHLESS MOTOR

Binary trigger - Allows for easy double shots in semi-automatic setting

The Real Deal Airsoft Buffer Tube

at the base of the see-through bullet window

1 Year Warranty - Lifetime Support

Join us as we embark into the Future Generation of upgrade parts where all real deal parts are compatible with eachother

Ambidextrous Firing controls compatible

The Real Deal Airsoft High rate Of Fire Piston Head

⁍ Super Fat Silver Brushes

Classic Army

Safety Bar in not required / Remove Cut off lever