TDC Hopup Mod for Tokyo Marui Mk23 SOCOM


Only STL available. Only on

TDC (Top Dead Center) Hop Up mod for Tokyo Marui MK.23 SOCOM airsoft pistol. Made of Nylon-Carbon. Designed for tight fitment and no wobbling.

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TDC (Top Dead Center) for Tokyo Marui MK.23 SOCOM airsoft pistol.

Advanced upgrade kit improving Hop Up Unit tuning in the field. This is one of the most common and popular tuning methods for Mk23.

Generally TDC Mod improves consistency of Hop Up pressure tuning and enables operator to adjust it without disassembling pistol. To adjust pressure user needs hex (allen) key which can be easy handled even with gloves.

Darkmatterworks’s TDC Mod kit is made of Nylon-Carbon composite 3D printed with FDM Technology. It is specially designed to fit without any wobbling.

Nylon-Carbon material is very strong and a bit flexible. It is almost impossible to break it by hands. It took 3 minutes in hands of certified dentist to break it.

It includes square steel nut to eliminate screw movement in plastic enclosure. Grub screw is made of hardened steel.

Hop Up Bucking pressure H-shaped plate is included as a gift to every order.

No special skills required. Just disassemble pistol according to manual, remove old cover and install new unit. It just clicks in.

There are two packages:

3d printed – assembled

  • TDC Hop Up Mod unit body manually cleaned of 3d printing residue
  • Square nut
  • Grub screw for allen key
  • H-shaped pressure plate

3d printed – disassembled (should be cleaned by user, 15 minutes of work, using scissors and flat file tool)

  • TDC Hop Up Mod unit body manually cleaned of 3d printing residue
  • H-shaped pressure plate

Shipping worldwide. We will send you email with payment link and shipping will be reduced if you order multiple items. Generally there are no difference in shipping between 1 or 2 items.

Except Belgium: charging $15 shipping because special parcel regime.


Additional information

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3D printed — assembled, 3D Printed — Disassembled

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