Manufacturer: Airtech Studios
Type: M-nub Trolley
Compatibility: M4 and Scar Maxx Hop-up chambers
Materials: Ultra-tough polycarbonate
Length: 6mm

Pros:

• Modifications on the slide bars on each side compared to the original.
• The contact area of the front is increased by 0.5mm to cover most hop-up windows.
• 3M adhesive incorporated at back on the M-nub for an optimum contact on the Trolley foot.
• The TDC trolley is compatible with all M4 and Scar Maxx Hop-up chambers listed below.

Cons:

• Compatible designs:
• MAXX CNC Aluminum Hop-up Chamber ME - PRO & SPORT
• MAXX CNC Aluminum Hop-up Chamber MI - PRO & SPORT
• MAXX CNC Aluminum Hop-up Chamber SV - VFC SCAR-L/H
• MAXX CNC Aluminum Hop-up Chamber ME - Umbrella Armory Ver.
• MAXX CNC Aluminum Hop-up Chamber ME - EMG & Specna Arms Ver

Comments: 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 with the R-Hop patches to achieve an improvement in accuracy and consistency from shot to shot