Hadron Airsoft Designs Modular TDC Cover allows adjustment of the Mk23 hop-up, externally with a hex key, without loosing the slide movement.
M-TDC is the new design from Hadron Designs, and allows in this form, two possible locations of hop-up pressure application by clicking out the single adaptor, and rotating 180 degrees.
The M-TDC is a modular design, so, by changing the plates (click out), then clicking in the twin screw plate (sold separately), the M-TDC chassis can utilise twin screw pressure advantages.
Disclaimer: All aftermarket upgrade parts require necessary skill or modification to install and assemble, please consult with your airsoft technician if needed.
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