Maxx Aluminum Hop-Up Chamber for M4/M16 AEG

Price: $69.99 – $84.99 — In stock at 2 retailers.

Prices last checked July 30, 2026 across 3 retailers.

Maxx CNC Aluminum Hopup Chamber M4G for M4 AEG CNC Aluminum Hop-up Chamber M4G unit is precisely machined to perform accurately and consistently on Tokyo Marui / VFC M4/M16 AEG series. The Hop-up Chamber M4G unit is built with an aluminum Rotary Dial Knob for fine hopup adjustments, precision Hopup Lever and bucking Nubs to perform the BB shooting accurately and consistently on every single shot. The Hop-up Chamber M4G unit is wisely equipped with an interchangeable Inlet Adaptor to ensure the hop-up unit is inserted exactly in the center of the inner bore AEG Gearbox nozzle outlet without wobbling. Also mounted the removable CNC Brass Side Wings to slide smoothly into the outer barrel slots, and included an advanced CNC Delrin Locking C-Clip to hold the inner barrel tight in place without wobbling and twisting. More than that, the Hopup Chamber M4G unit is specially designed with a new BB Latching System to prevent BB dropping after removing the magazine. The Latching Arm can also be manually pressed to release the remaining BB from inside the hopup chamber. Maxx Model CNC Hopup Chamber M4G is compatible with : Standard M4 replica based on Tokyo Marui / VFC and clones that share the same specifications Maple Leaf Wonder Super GBB hop-up rubber. Other GBB rubbers are compatible but this requires cutting the centering flat with a cutter. Include : 1 x CNC Aluminum Hop-up Chamber M4G 2 x CNC Acrylic Side Cover 2 x CNC Brass 2.5mm Side Wing 1 x CNC Steel Pivot Pin 1 x CNC Aluminum Hopup Lever 1 x CNC Aluminum Soft Round Nub 1 x CNC Aluminum Soft Flat Nub 1 x CNC Aluminum Hard Concave Nub 3 x Steel Nub Spring 1 x CNC Steel Spring Guide 1 x Steel Upper Compression Spring 1 x Steel Center Compression Spring 1 x CNC Delrin Locking C-Clip 1 x CNC Brass Barrel Spacer 1 x Brass Barrel Spacer Holder Oring 1 x CNC Aluminum Rotary Dial Knob 1 x CNC Aluminum Inlet Adaptor 1 x Shim set 1 x Oring set Airsoft guns Airsoft gear Airsoft accessories Airsoft rifles Airsoft pistols Airso

Maxx Aluminum Hop-Up Chamber for M4/M16 AEG price comparison: the lowest price is $69.99 at Airsoft Atlanta, the highest is $84.99, and the median across 3 tracked listings is $79.99. Comparing retailers can save up to 18% ($15.00) versus the highest-priced listing.

Compatible with: M4/AR, AEG

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