Airsoft Upgrades

Maxx Model CNC Hopup Chamber M4E (for Standard M4)

Brand: MAXXCategory: HPA Accessories & Gun Parts2 retailers

Price: $77.98 – $79.99 — In stock at 1 retailer.

Prices last checked July 30, 2026 across 2 retailers.

What's Included? Maxx Hopup Chamber M4E (for Standard M4) 2 x CNC Acrylic Side Cover 2 x CNC Brass 2.9mm 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 (4mm) 1 x CNC Aluminum Hard Concave Nub (4mm) 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 O-Ring 1 x CNC Aluminum Rotary Dial Knob 1 x CNC Aluminum Inlet Adaptor (OD12mm) 1 x CNC Brass Inlet Spacer 1 x Shim Set 1 x O-Ring Set Features Machined from a solid aircraft aluminum block with tight tolerances to provide better accuracy, consistency, and durability Precision rotary dial design for fine hopup adjustments Re-engineered the hopup levers and 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 12mm inner bore ICS AEG Gearbox/HPA Engine nozzle outlets 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 Technical Specifications: Model Number: MX-HOP020ME Overall Length: 51.65mm Overall Height: 37.75mm Application: Tokyo Marui and other compatible M4 / M16 AEG rifles Material: Aluminum 6061 Q A Q: What makes the Maxx Hopup Chamber M4E stand out in terms of performance? A: The Maxx Hopup Chamber M4E is precision machined from solid aircraft-grade aluminum, offering improved accuracy, consistency,

Maxx Model CNC Hopup Chamber M4E (for Standard M4) price comparison: the lowest price is $77.98 at 007 Airsoft, the highest is $79.99, and the median across 2 tracked listings is $78.98. Comparing retailers can save up to 3% ($2.01) versus the highest-priced listing.

Compatible with: M4/AR, HPA, AEG

Where to buy the Maxx Model CNC Hopup Chamber M4E (for Standard M4): prices at 2 retailers

  • 007 Airsoft: $77.98 — In Stock
  • Fox Airsoft: $79.99 — Out of Stock

Frequently asked questions about the Maxx Model CNC Hopup Chamber M4E (for Standard M4)

How much does the Maxx Model CNC Hopup Chamber M4E (for Standard M4) cost?
The Maxx Model CNC Hopup Chamber M4E (for Standard M4) ranges from $77.98 to $79.99 across 2 retailers. The lowest current price is at 007 Airsoft. Prices are updated regularly from each store's live catalog.
Where can I buy the Maxx Model CNC Hopup Chamber M4E (for Standard M4)?
The Maxx Model CNC Hopup Chamber M4E (for Standard M4) is currently in stock at 1 retailer including 007 Airsoft. We track availability across 2 airsoft stores and update stock status regularly.
What is the Maxx Model CNC Hopup Chamber M4E (for Standard M4) compatible with?
M4/AR, HPA, AEG
Is the Maxx Model CNC Hopup Chamber M4E (for Standard M4) a good hpa accessories & gun parts upgrade?
The Maxx Model CNC Hopup Chamber M4E (for Standard M4) by MAXX is listed in our HPA Accessories & Gun Parts category and is priced from $77.98. We aggregate prices from 2 retailers so you can compare and find the best deal. Check the price comparison table above for current pricing from each store.

More HPA Accessories & Gun Parts parts to compare