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£9.99
  • 50°/60°/70° Degrees
  • Crazy Jet Compatible
  • Increase Range & FPS

A HOP rubber for AEGs which is compatible with, and allows you to install Crazy Jet GBB inner barrels in your AEG.

£9.99
  • Replacement original part
  • Alloy HOP unit and Rubber
  • Includes adjuster and C-clip

If you are looking to replace your AK's entire HOP unit, CYMA have just the thing! Including a HOP rubber and all the parts needed to complete the HOP unit, if you have lost a tiny bit during disassembly or you just want a fresh start, the CYMA Metal Hop chamber includes everything you'll need, other than the HOP nub!

£15.99
  • Nub Included
  • 2 Rubbers & Nubs
  • 60 Degree Rubber

A popular upgrade over standard hop rubbers. The Red Shark version has 3 fins inside compared to the all smooth Blue variant from MAD BULL. 

£15.99
  • Sub 370fps Builds
  • 2 Rubbers & Nubs
  • 60 Degree Blue Rubber

We have stocked this particular AEG hop rubber set for years. One of our most popular, reliable and promising items you can install into your own Airsoft hop unit. 

£15.99
  • Shark H-Nubs
  • Soft & Hard Setups
  • AEG Inner Barrel Use

For the Airsofter who likes to tinker with their AEG - the two included bucking are for you to experiment between different harnesses to accomplish the ideal range and accuracy from your entire setup.

£19.95
  • Easy Build & Installation
  • CNC Machined Aluminium
  • Improved Accuracy & Range

Improve your range and accuracy dramatically over your stock hop unit. Not only does the hop unit look good it performs amazingly. 

£21.50
  • Easy Build & Installation
  • CNC Machined Aluminium
  • Improved Accuracy & Range

An excellent upgrade or replacement over standard AEG AK hop units. CNC machined to an incredibly high standard you will not be disappointed. 

£22.99
  • Easy Build & Installation
  • CNC Machined Aluminium
  • Improved Accuracy & Range

An excellent upgrade or replacement over standard AEG AR36 hop units. CNC machined to an incredibly high standard you will not be disappointed. 

£24.99
  • Perfect Upgrade
  • Alloy Hop-Up Unit
  • No Loose Movement

A replacement Hop-Up unit for ASG Brand AUG, and is part of Action Sports Games Ultimate Upgrade Parts range. The Hop-Up unit is an Alloy hop up chamber, designed to be stronger than its polymer counterparts, and features a Polymer Hop-Up adjuster. 

£54.99
  • Great Airseal
  • CNC Anodised
  • Tracer/HOP Unit

This HOP Unit is made from CNC Anodised Aluminium, and features an integrated Tracer Unit that draws power from your Main Battery, allowing you to make the most of a Tracer Unit, without having to have a big Suppressor on the end, or worry about Battery Life.

£69.99
RRP £79.99
Save £10.00
  • Tight Adjustment
  • Uni-body Design
  • Range Increase


This is an official aftermarket Airsoft Hop-up Unit for the ASG Scorpion Evo, made by none other than ASG themselves! This awesome unit is constructed from a single piece of CNC 'Aerospace' Aluminium, and states it will yield a 20% increase in range and accuracy. It is also said to be tailored to Flat Hop and R-Hop setups, if you have already made this modification. If you haven't done this modification, don't worry, it will still give you performance benefits.

The HOP Unit is without a doubt the most important vital part of getting your BBs to reach out as far as possible, and is subject to lots of personal preference, experience and experimentation. There's lots to know with regards to HOP Units so its best to do plenty of research and/or ask others what they've had success with. There are many different types of HOP Units, which all offer a different level of precision over the adjustments you can make, and of course many different types of assemblies for different Gearboxes. When looking at HOP Rubbers/Buckings be sure that you're buying the correct type for your HOP Unit with regards to the type, hardness and ammo choice you have made.