Hop-Up Units

The only official aftermarket hop-up unit available from ASG themselves. Designed and constructed specifically for the EVO models; compatible wit...

A full metal hop-up unit from Ultimate. Features an innovative o-ring that improves the seal between the front of the gearbox and the hop-up unit....

CNC Aluminum Hop-Up Chamber M4A Pro (with BB Latching System) unit is precisely machined to perform accurately and consistently on Tokyo Marui (i...

EON Hop-Up Chamber - Highly precise CNC machined hop-up chamber stuns with FPS precision & consistency, ensures a perfect seal for better feed...

A replacement c-clip for most brands of hop-up unit. Made by Ultimate (Lonex). Blue in colour.

Reinforced Hop Arm. Achieves a stronger hop than the stock hop up. Caution is required with use, if you apply too much hop it may cause your rifle...

A die-cast Metal Chamber Compatible with M4 Series AEGS. This will help increase accuracy and HOP Up precision with non step variable rotary HOP U...

A full metal hop-up unit from Ultimate.The adjustment mechanism must be assembled by the user and offers a nice tight adjustment once fully assembl...

Designed specifically for the ASG Scorpion EVO 3 A1,  upgrade your existing adjustment wheel for easier and more precise hop-up adjustments. Redes...

Original ASG parts. Pistol grip and baseplate set for the ASG EVO, suitable for all EVO variants. Part #BO5, #BO6. Only grip is pictured, but inc...

The Guns Modify competition hop up adjustment wheel is a premium upgrade part designed to help the user dial in their hop up more precisely giving...

CNC Aluminum Hopup Chamber EVO unit is precisely machined to perform accurately and consistently on the ASG 2018+ CZ Scorpion EVO-3 Airsoft Rifl...

Complete hop-up set for JG AUGs. Also compatible with other brands of AUG that use a similar system. Includes all parts shown.

Prometheus ELITE CNC Hop Up Unit Standard hop, Flat hop, R-hop compatible. CNC construction. Includes 2 Prometheus buckings and nubs. Ball be...

This Inlet Adaptor OD11mm is to ensure the Hop-Up unit is inserted exactly in the center of the 11.5mm inner bore AEG Gearbox/HPA Engine nozzle o...

The ARA (Advanced R-Hop Arm) is specially designed to be a drop-in upgrade to mitigate the risk of modifying the original arm to give a perfect, e...

Designed specifically for the MAXX Hop-Up units. Fully locks on to the inner barrel and Hop-Up Chamber. Bright orange in colour. Elongated O-Ring...

Suitable for Krytac hop-up models. Perfect TDC top down centre force gets applied to the R-hop patch. No need for modifying the stock arm and addi...

A full metal hop-up unit from Ultimate. The adjustment mechanism must be assembled by the user and offers a nice tight adjustment once fully assem...

Perhaps the most complete hop-up system for the Marui MWS series, this set from Guns Modify comes with everything required to replace the stock ho...

An OEM rotary hop-up unit from Krytac for the Trident series of AEGs.

There are two nubs included in the pack, the first version is used for RHOP setups for the optimum amount of push onto the patch and BB, and seco...

The TDC (Top Down Centre) Trolley Converter is designed for the Tokyo Marui Hop NGRS series to function perfectly for R-Hop and Flat-hop setups us...

This enhanced Hop-up set is made by precision CNC machines. The Air-tight Loading Nozzle is made of 304 Stainless Steel, and the Hop-up Chamber is...

This Inlet Adaptor OD11mm is to ensure the Hop-Up unit is inserted exactly in the center of the 12mm inner bore AEG Gearbox/HPA Engine nozzle out...

Designed especially for the Maxx Hop-up units to address the issue of axial displacement of the chamber caused by two factors. Firstly the outer b...

Complete hop-up set for JG G36C models. Also compatible with other brands of G36C that use a similar system. Includes all parts shown.

The Advanced locking ring is designed to replace the current O-ring (Normally brass) ring at the end of setting up the hop unit, however, with the...

The TDC (Top Down Centre) Trolley is designed for the Maxx Hop-up chambers to incorporate the traditional usage of M-nubs which works perfectly wi...

Complete hop-up set for JG MP5s. Also compatible with other MP5s that use a similar system. Colour of unit may vary between white and black.

The TDC (Top Down Centre) Trolley Converter is designed for the Krytac Trident M4 and Kriss Vector Series to function perfectly for R-Hop and Fla...

The TDC (Top Down Centre) Trolley is designed for the Tokyo Marui SCAR H & HK417 chambers to incorporate the traditional usage of M-nubs which...

Advanced Inner Barrel Locking Ring The Advanced locking ring is designed to replace the current O-ring (Normally brass) ring at the end of setti...

The silicone o-rings are designed to replace the stock spring that is normally placed onto the inner barrel/  front of the hop-up chamber. It wil...

The Advanced locking ring is designed to replace the current O-ring (Normally brass) ring at the end of setting up the hop unit, however, with the...

For Tokyo Marui SOCOM MK23 NBB & SSX23. Also compatible with Y&P, ASG, STTi, and Novritsch SSX-23 NBB Pistol. Tokyo Marui version requi...

An OEM rotary hop-up unit from Krytac. Fits the Kriss Vector AEG. Includes assembled hop-up unit with barrel c-clip and spring.

Durable CNC aluminum alloy construction. Compatible with Maxx Model's M4A, M4i, M4P and MRW Hop-Up units. Designed to provide better accuracy and...

Durable CNC aluminum alloy construction. Compatible with Maxx Model's M4A, M4i, M4P and MRW Hop-Up units. Designed to provide better accuracy and...

This Inlet Adaptor OD11mm is to ensure the Hop-Up unit is inserted exactly in the center of the 11mm inner bore AEG Gearbox/HPA Engine nozzle out...

Ensures a secure fitment of your barrel and hopup rubber to your hopup chamber. Compatible with MAXX Hop Up Series Injection molded polymer cons...

Compatible with MAXX Hop Up Series Professional installation may be required Designed to fit precisely and provide even pressure over hop-up win...

The TDC (Top Down Centre) Trolley Converter is designed for the VFC Hop-up Series to function perfectly for R-Hop and Flat-hop setups using a tro...

Inner Barrel and Hop Up for Tokyo Marui G18C. Genuine Tokyo Marui Parts. Replacement part #18C-25, #18C-26, #18C-27, #18C-28, #18C-29, #18C-30, #1...

Durable CNC aluminum alloy construction. Compatible with Maxx Model's M4A, M4i, M4P and MRW Hop-Up units. Designed to provide better accuracy and...

The TDC (Top Down Centre) Trolley Converter is designed for the ICS Hop-up chamber to function perfectly with the R-Hop setups.  The trolley is f...

This R-HOP arm is designed to be a drop-in upgrade for a TDC (top-down-centre) evenly forced pressure set up. Inspired by the self-leveling nub fe...