Surefire pressure switch mount for M-Lok V4

Remix from mcmik3. Add additional structure to lock in M-Lok mount. May not suit for Key-mod. Haven't been tested.

V2.1 shall not work, so I made a V3. Just use V3. This time it shall work.

I'm not good at modeling, but it shall works. I'll test print it today.

V4 have been made. Do not use models before due to they have lots of problem. V4 has tested perfect. Working with M5 M-lok screws and nuts bought form taobao (try aliexpress if you are not in China). The holes may need clean.

V4.1 update. I make it longer. Now can fit both in and between 3 mlok hollows. Why it is going longer and longer....

longer