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AIRSOFTCON 2026 - October 17, 2026

Maxx Model CNC Aluminum Hop-Up Chamber EVO for Scorpion EVO Airsoft AEG SMGs

ID: 110844 (HU-MAXX-MX-HOP020EVO)
MX-HOP020EVO
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Maxx Model Products

$58.98

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Product Description

Features

  • 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 2018 CZ Scorpion EVO-3 Airsoft Rifles
  • Built-in precision aluminum rotary dial knob for fine hop-up adjustments
  • Pre-installed 4mm flat soft bucking nub (6mm bucking nub is optional, sold separately) 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 hop-up 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
  • Optional dual LED tracer module allows you to have tracer capabilities without an external tracer unit (sold separately)
The CNC Aluminum Hop-Up Chamber EVO unit is precisely machined to perform accurately and consistently on the ASG CZ Scorpion EVO-3 Airsoft Rifles. The chamber is built with a precision aluminum rotary dial knob for fine hop-up adjustments and equipped with 4mm flat soft bucking nub (6mm bucking nub is optional, sold separately) to perform best with R-Hops and standard hops to keep the BB shooting accurately and consistently on every single shot. The Hop-up Chamber EVO unit is designed to accept the 18.5mm nozzle length, and is fully compatible with most aftermarket soft and hard rubber buckings without losing FPS or dropping BB during use. The unit is also wisely built with a self-centering inlet to ensure the hop-up unit is inserted exactly in the center of the 11.5mm inner bore ASG EVO-3 gear box outlet without wobbling.

Manufacturer: Maxx Model

Product Specifications

Material: CNC 6061 Aluminum, Brass
Length: 47mm
Height: 26.25mm
Inlet Diameter: 11.5mm
Hub Outer Diameter (To Fit Outer Barrel): 12mm
Hub Inner Diameter (To Fit Nozzle): 7mm
Compatibility: ASG CZ Scorpion EVO 3 Series Airsoft SMGs
Package Includes: Hop-Up Unit, 2x Strong Clear Vinyl Covers, 1x CNC Aluminum Soft Round Nub, 1x CNC Aluminum Soft Flat Nub (4mm, Pre-Installed), 2x Steel Nub Springs, 1x Steel Compression Spring, 1x Brass Dial Bushing, 1x Dial O-Ring, 1x CNC Precision Aluminum Rotary Dial Knob, 1x CNC Delrin Locking C-Clip, 1x CNC Brass Barrel Spacer, 1x Brass Barrel Spacer Holder O-Ring

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Maxx Model Products

About Maxx Model Products

Maxx Model Products, Inc. began in 2001 as a company known by Microheli.com based in Canada, we designed and manufactured high quality upgrade parts and accessories for RC Helicopters, Drones, and Cars. Starting in 2016, Maxx took its experience in high quality RC components and expanded to Airsoft. Maxx launched itself into the Airsoft market with the release of our original M4 PRO hop-up unit. Through feedback from the community and constant improvements, we have achieved the most advanced M4 hop-up unit with the ME model. Taking what we learned in that process, Maxx now brings our attention to other platforms. With our years of experience Maxx looks to manufacture more advanced and innovative products for the whole market. Maxx Model Products, Inc. is a registered business in Canada.