MAXX CNC Aluminum Hopup Chamber M4P - PRO Grenades the user's head safety

the user's head safety

System programming button

Integrated steel one-point sling adapter

the WRAITH AERO Stock is an add-on you will make yourself

mag level indicator will show at the top of the window

MAXX CNC Aluminum Hopup Chamber M4P - PRO Grenades the user's head safetyCNC 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 are optional) to perform best with R Hop and Standard Hop to keep the BB shooting accurately and consistently