MAXX CNC Aluminum Hopup Chamber M4P - PRO Wolverine Engines 1911 Sig Sauer P938

1911 Sig Sauer P938

The SFR also includes a new

The Leviathan - V2 optical brings endless possibilities for your gun

a folding buttstock

Multiple internal layers of heavy copper traces for greater current capacity

MAXX CNC Aluminum Hopup Chamber M4P - PRO Wolverine Engines 1911 Sig Sauer P938CNC 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