novritsch ssp18 tdc tool
thingiverse
I made this tool for my ssp18 to make a tdc on my ssp18, this tool is to make a start of 2.5mm hole, which grub screw you use is up to you, I use an M4 x 3mm Length FLAT POINT from hadron airsoft and a hadron H plate, remove the hopup wheel, use the hopup arm and the h plate, and put everything back together.
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