Airtech Studios TDC Trolly & M-Nub (R Hop) - Retro Arms Hop-Up Chamber Drum Magazine In hardwired installation

In hardwired installation

sleek design

Reactive fluorescent yellow Spot Shot on impact

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Removable Pistol Grip

Airtech Studios TDC Trolly & M-Nub (R Hop) - Retro Arms Hop-Up Chamber Drum Magazine In hardwired installationThe TDC (Top Down Centre) Trolley is designed for the Retroarms Hop up chambers to incorporate the traditional usage of M nubs which works perfectly with the R Hop patches to achieve an improvement in accuracy and consistency from shot to shot. The M nub ensures an evenly distributed force applied onto the bucking down to the RHOP patch. This in turn ensures the patch can maximize its appliance on the BB for the most stable and uniform spin for the