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M-TDC top RIS TWIN SCREW kit includes:

  • 1 Rail incorporating TWIN SCREW ADJUSTMENT SLOT
  • 1 adaptor plate TWIN SCREW
  • 2 grub screws
  • 1 Allen bolt


This kit does not contain the red-dot sight, or the M-TDC chassis itself.


An M-TDC Chassis is required for this kit to function on the MK23. Please note that this kit will prevent slide action whilst fitted.

Hadron MK23 NBB M-TDC RIS adaptor kit - TWIN SCREW

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