Hop-Up Units

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...

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

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...

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...

This CNC Aluminum Hop up Chamber M4T One unit is precisely machined from a solid Aluminum block to perform accurately and consistently for Tokyo ...

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 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...

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

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...

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

Types of Hop-up the TDC Integration Kit can be used forThe kit may be used in unison with all bucking types and also works perfectly for R-...

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...

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 12mm inner bore AEG Gearbox/HPA Engine nozzle out...

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...

The TDC (Top Down Centre) Trolley is designed for the Maxx Hop-up chambers to incorporate the use of tensioner nubs specifically for Flat-hop buil...

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.

A hop-up unit from Element. The adjustment mechanism must be assembled by the user and offers a nice tight adjustment once fully assembled. Mainta...

A full metal-bodied hop-up chamber from Maple Leaf for Umarex (VFC) Glock series of pistols. Compatible pistols: VFC G17 Gen 5 VFC G19 Gen 4 VFC G...

This the is ultimate kit to take your Maxx Model hop-up chamber to the next level of upgrades. There are 3 crucial parts of this kit that will upg...

For use with the Prometheus Wide Use Metal Hop-Up unit. Will not work with the Elite CNC Hop-Up unit. The kit may be used in unison with all buck...

A replacement hop up chamber for all ASG Scorpion Evo models. Original part. Useful as a replacement if yours is damaged, worn etc.  Part #HU1.

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...