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Allows adjustment of the Mk23 Hop up, externally, without loosing the slide movement feature. Fits in 2 minutes. Highly Effective.

M-TDC is the new design from Hadron Designs, and allows in this form, two possible locations of hop 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 (separate item not included), the M-TDC chassis can utilise twin screw pressure advantages.

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  • 5
    MK23 TDC

    Posted by Simon Pike on 8th Jan 2020

    Fantastic build quality, I first bought a cheap rip off version of this on ebay and the thing broke before fitting, so I got the real deal and boy am I glad I did. Fitting is so simple and the thing just works no messing around and shot consistency improved right away. got a MK23? then you NEED this!

  • 5
    mk23 single screw tdc mod

    Posted by franklin rios on 29th Jun 2019

    This is a must have if you own the tm socom mk23. Nice and snug, screw does not come undone after several shots or mags.. this is my primary, I do have several other guns aegs to snipers but I'm attached to my mk23 and the tdc mod is awesome set it and forget it

  • 5

    Posted by Maitre hibou on 21st May 2019

    Super , transfigure mon mk23 , 20/25metres de porté en plus . Permet de lever jusqu'à la 0.46g j'ai pas testé au dessus mais il reste de la marge .

  • 5
    Mk23 NBB M-TDC cover

    Posted by Thomas Parsons on 15th Apr 2019

    Excellent upgrade product and sturdy built. Adds so much extra range and consistency to my MK23 5*

  • 5
    Hadron tdc

    Posted by Josh Ainsworth on 8th Apr 2019

    Super easy install for such a big improvement, fiddly to attach the plate to the cover but only as I have big fingers!

  • 5
    Hadron tdc

    Posted by Josh Ainsworth on 9th Feb 2019

    Such an easy install for the impact you get! Fully recommend and the postage and packing received within 24hours of order. Can not complain at all!

  • 5
    M-TDC cover

    Posted by Arnold Cruz, MD on 30th Jan 2019

    Just bought this as a replacement for the v2 tdc cover. You can't going wrong with this product together with the fang plate. They are absolutely perfect!