Hop Up Chambers

CNC Aluminum Hopup Chamber SV unit is specially designed to improve accuracy, durability and ensure consistent air seal for VFC SCAR-L/H AEG series.
The Hopup Chamber SV unit has a precision rotary dial design for fine hopup adjustments, also re-engineere Read more

CNC Aluminum Hopup Chamber M4i Pro (with BB Latching System) unit is precisely machined to perform accurately and consistently on ICS CXP/CS4/EBB (include old models) M4/M16 AEG series.
The Hopup Chamber M4i unit is built with an aluminum Rotary Dial Knob Read more

CNC Aluminum Hopup Chamber MXW unit is precisely machined to perform accurately and consistently on HPA MTW Milspec, Forged, Billet and MTW-9 series.
The Hopup Chamber MXW unit is built with an aluminum Rotary Dial Knob for fine hopup adjustments, the pre Read more

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 fo Read more

CNC Aluminum Hopup Chamber M4W unit is precisely machined to perform accurately and consistently on HPA MTW Milspec, Forged, Billet and MTW-9 series.
The Hopup Chamber M4W unit is built with an aluminum Rotary Dial Knob for fine hopup adjustments, the pre Read more

CNC 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 aluminu Read more