Price: $85.00 – $89.99 — In stock at 3 retailers.
Prices last checked July 30, 2026 across 2 retailers.
EMG / Maxx Model CNC Aluminum Hopup Chamber for M4 Airsoft AEG Rifles (Model: M4E / EMG Blue) Features Machined from a solid aircraft aluminum block with tight tolerances to provide better accuracy, consistency and durability BB position is seated straight and consistent 95% stacking up each shot perfectly Prevents jamming and double feeding Designed for tighter tolerances to improver consistency and accuracy 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 shooting straight and accurate on every single shot 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 barrel 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 magazine, Manually opened to release BBs from inside hopup chamber by hand The Hopup Chamber M4E unit has been designed to prevent jamming and double feeding and line BBs straight and consistent 95% of the time, 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 overal consistency and accuracy. CNC Aluminum Hopup Chamber M4E (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 rifles. The Hopup Chamber M4E unit is built with an aluminum rotary dial knob for fine hopup adjustments, the precision hopup lever and 4mm bucking nubs to perform best with R-Hop and sta
EMG x Maxx Model CNC Aluminum Hopup Chamber for M4 Airsoft AEG Rifles Model M4E EMG Blue price comparison: the lowest price is $85.00 at Evike, the highest is $89.99, and the median across 3 tracked listings is $85.00. Comparing retailers can save up to 6% ($4.99) versus the highest-priced listing.
Compatible with: M4/AR, AEG
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