MAXX CNC Aluminum Hopup Chamber M4A - PRO color-ls321g-green Bearings may be sealed or

Bearings may be sealed or open ball bearing type and slightly differ based on the picture above

Magazine Capacity: 3 5

ENGINEERED TO DISTRIBUTE FORCE EVENLY

mildly increasing FPS

Services we offer:

MAXX CNC Aluminum Hopup Chamber M4A - PRO color-ls321g-green Bearings may be sealed orCNC Aluminum Hopup Chamber M4A Pro (with BB Latching System) unit is precisely machined to perform accurately and consistently on Tokyo Marui (include G&G, KRYTAC, except KWA) Standard M4 M16 AEG series. The Hopup Chamber M4A 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