CNC Aluminum Hopup Chamber for ASG EVO

Behold, the whole new precision-engineered CNC Aluminum Hop-up Chamber for EVO rifle, specifically crafted to deliver unparalleled performance and consistency in ASG CZ Scorpion EVO-3 Airsoft Rifles.

65,33 € tax incl.

Availability: In Stock

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Equipped with a Precision Aluminum Rotary Dial Knob, this Hop-up chamber allows for precise and effortless hop-up adjustments, ensuring optimal shooting performance. For supreme accuracy on every shot, it comes fitted with a 4mm Flat Soft Bucking Nub (optional 6mm Bucking Nub available) to complement both R-Hop and Standard-Hop setups.

Designed to accommodate the 18.5mm nozzle length, this unit boasts full compatibility with a wide range of aftermarket soft and hard rubber buckings without any loss in FPS or BB drop during usage. The 18.50mm MAXX nozzle can be bought here.

To guarantee a perfect fit, this Hop up unit features a self-centering inlet, ensuring seamless insertion into the 11.5mm inner bore ASG EVO-3 gearbox outlet without any unwanted wobbling.

Moreover, MAXX incorporated an advanced CNC Delrin Locking C-Clip, securely holding the inner barrel in place to eliminate any wobbling or twisting during intense gameplay.

With the CNC Aluminum Hopup Chamber, your ASG EVO 3 Airsoft Rifle will reach new heights of accuracy, consistency, and reliability, elevating your gaming experience to the next level.

Package Includes:

  • 1 x CNC Aluminum Hopup Chamber EVO unit
  • 2 x Strong Clear Vinyl Cover set
  • 1 x CNC Aluminum Soft Round Nub
  • 1 x CNC Aluminum Soft Flat Nub (4mm) (Pre-installed)
  • 2 x Steel Nub Spring
  • 1 x Steel Compression Spring
  • 1 x Brass Dial Bushing
  • 1 x Dial O-ring
  • 1 x CNC Precision Aluminum Rotary Dial Knob
  • 1 x CNC Delrin Locking C-Clip
  • 1 x CNC Brass Barrel Spacer
  • 1 x Brass Barrel Spacer Holder O-ring


  • Overall Length: 47mm
  • Overall Height: 26.25mm
  • Inlet Diameter: 11.5mm
  • Hub Outer Diameter (to fit into Outer Barrel): 12mm
  • Hub Inner Diameter (to fit Nozzle): 7mm
  • Material: Brass/Aluminum 6061


  • Machined from a solid aircraft aluminum block with tight tolerances to achieve the most accuracy, consistency, and durability
  • Performed accurately and consistently on the ASG CZ Scorpion EVO-3 Airsoft Rifles 2018 or newer
  • Built-in Precision Aluminum Rotary Dial Knob for fine hopup adjustments
  • Pre-installed 4mm Flat Soft Bucking Nub (6mm Bucking Nub is optional) to perform best with R-Hop and Standard-Hop to keep the BB shooting accurately and consistently on every single shot
  • Accepted the 18.5mm nozzle length
  • Fully compatible with most aftermarket soft and hard rubber buckings without losing FPS or dropping BB during use
  • Wisely built with a self-centering inlet to ensure the hopup unit is inserted exactly in the center of the 11.5mm inner bore ASG EVO-3 gear box outlet without wobbling
  • Included an advanced CNC Delrin Locking C-Clip to hold the inner barrel tight in place without wobbling and twisting
Color red
Hop-Up chamber material Metal