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Evike EMG/Maxx Model CNC Aluminum Hopup Chamber for M4 Airsoft AEG Rifles (Model: M4E / EMG Blue)

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$91.98

$ 42 .99 $42.99

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  • Precision rotary dial design for fine hopup adjustments
  • Re-engineered the hopup levers and concave nubs to work best with R-hop, Flat-Hop and Standard-Hop to keep the BBs straight and accurate
  • Accepted the nozzle length from 21.00mm to 21.25mm
  • Fully compatible with most aftermarket soft and hard rubber bucking without losing FPS or dropping BBs
  • Equipped with a new CNC Delrin Locking C-Clip design to hold tight without wobbling and twisting, 3 compression springs on top, at bottom and in center of housing to ensure the hopup unit is exactly centered, straight and air tight
  • Compatible with any V2 gear boxes with 11mm or 11.5mm bore
  • Specially designed with BB Latching System to prevent dropping BBs after removing the mag, manually opened to release BBs from inside hopup chamber by hand
  • Model: M4E / EMG Blue
  • The Hopup Chamber M4E unit has been designed to prevent jamming & double feeding, line the BBs straight and consistent, and stacking up perfectly! They also no longer have screws in place of the hopup arm and are replaced by o-rings to keep the pivot pin. Internal design is updated for tighter tolerances and improves overall consistency & accuracy.
  • CNC Aluminum Hopup Chamber M4E (w/ BB Latching System) unit is precisely machined to perform accurately and consistently on Tokyo Marui (including G&G, KRYTAC, except KWA) standard Airsoft M4 AEG series
  • Additionally, the Hopup Chamber M4E unit is specially designed w/ a new BB Latching System to prevent BBs from dropping after removing the mag. The Latching Arm can also be manually pressed to release the remaining BB from inside the hopup chamber.
  • Test results: FPS might be increased by 5% to 10%. Please check your FPS!
  • Machined from a solid high-grade aluminum block with tight tolerances to provide better accuracy, consistency and durability
  • BB position is seated straight and consistent 95% stacking up each BB perfectly
  • Prevents jamming and double feeding
  • Designed for tighter tolerances to improver consistency and accuracy


The Hopup Chamber M4E unit is built w/ an aluminum rotary dial knob for fine hopup adjustments, the precision hopup lever, 4mm bucking nubs to perform best w/ R-Hop, and standard-hop to keep the BB accurate and consistent. It's also designed to accept 21.00mm to 21.25mm nozzle length and fully compatible w/ most aftermarket soft and hard rubber buckings without losing FPS or dropping BBs during use.
The Hopup Chamber M4E unit is wisely equipped w/ an interchangeable Inlet Adaptor OD11mm to ensure the hopup unit is inserted exactly in the center of the 11mm inner bore AEG Gearbox/HPA Engine nozzle outlet w/o wobbling. Also mounted the removable CNC brass side wings to slide smoothly into the outer-b slots, and included an advanced CNC Delrin locking C-clip to hold the inner-b tightly in place w/o wobbling and twisting.
Hopup Kit Includes:
+ Hopup Chamber M4E Pro (w/ BB Latching System) unit
+ Acrylic Side Covers
+ Brass 2.5mm Side Wings
+ Steel Pivot Pin
+ Hopup Lever
+ Soft Round Nub
+ Soft Flat Nub (4mm)
+ Hard Concave Nub (4mm)
+ Steel Spring Guide
+ Delrin Locking C-Clip
+ Brass B-Spacer & Holder O-ring
+ Rotary Dial Knob
+ Inlet Adaptor (OD11mm)
+ Brass Inlet Spacer
+ Nub Springs
+ Upper & Center Compression Spring
Length: 51.65mm
Height: 37.75mm
Inlet Adaptor Outer Diameter (to fit into Gear Box): 11mm
Hub Outer Diameter (to fit into Outer-B): 12mm
Hub Inner Diameter (to fit Nozzle): 8mm
Feeder Outer Diameter (to fit mag): 8.85mm
Feeder Length (to fit mag): 6mm
Application: Tokyo Marui G&G, Madbull, Modify, TNT, Krytac, Maple Leaf, Begadi, VFC and other compatible Airsoft M4-Style standard AEG version 2 gear box
Material: Aluminum 6061


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