Hop-Up Units

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...

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

The True Centering Unit (TCU) is Designed for the Maxx Model (New Gen, all models) specifically to prevent the hop-up unit from rotating from side...

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

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...

The Advanced locking ring is designed to replace the current Oring (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...