The melee key is set to 56 (left alt) in the setup.ini file, but I'm pretty sure that in the past you could set this in the gunspec.txt file. If you comment out the 'melee key = 56' line in the setup.ini file and add it to the gunspec.txt file of the relevant weapon, nothing happens. Keeping the line in the setup.ini file but adding a different key in the gunspec.tx file also doesn't work.
What do you do if you want to keep the left alt button for melee in most weapons, but want to use a different key to play a custom animation in another weapon?
i3 8350k 3GB GTX1060 8GB RAM Windows 10