You can have a look on Guitar Patches site. Ther'es a couple of patches for Metallica.
The other method is to ask Dr. Google, or the Chatty GPT for Metallica settings.
Basically, pick a high-gain amp and matching cab, cut the mids on on the amp, throw a Tube Screamer in front, and EQ after the cab, and take it from there. There's a lot of information out there on Metallica's gear and settings.
Here's a few patches to start with....
https://guitarpatches.com/patches.php?unit=MG400