I'm trying to make a mod for my dedicated server that removes soldier collision from auto turrets but it's is not working. The point of this is to prevent people glitching in corners.

I tried adding -nocollision to any related option files and tried adding SoldierCollision = "none" to any related odf files.

I've edited both the files located in side\common\msh and inside of common\msh as I am not sure which ones get used. Collision still remains so I am lost at this point.

Any help here will be great!

Are you testing online or offline?

Testing online; make new side lvl files (or ingame for common\msh) and replace files over old server files then join.

I've edited game models before and they worked online, as it is something controlled by host.

You should always test offline first, if possible. Simply easier to debug.