Mk23 Nylock TDC

I wanted a TDC (Top, Dead Center) hop adjustment for my TM Mk23. The other TDCs I found all depend on plastic threads though. I wanted one with metal threads that could handle more stress without deforming. A plain metal nut wouldn't work either as metal-on-metal could easily slip and lose my hop settings. A nylock nut was the answer. 

This TDC needs an M3 nylock nut and an M3x5mm grub screw. Installation is the same as other TDCs and tutorials can be found on youtube.

After installation, you won't be able to rack your slide (not that you need to anyway, the Mk23 is a NBB) more than is necessary for disassembly.