NEW META M4 EFT PATCH 1.0.2.5
This is an updated M4 build for the most recent patch of EFT, as with the new patch they did an overhaul of the attachment system making all the old meta builds obsolete.
UPDATE:
After doing some more research, there is a better stock combo, it is the ACE stock and buttpad, both available at mechanic lvl 4.
This will be highlighted in my upcoming video on the NL 545s