Does anyone have a good tutorial, or can point me to a video or something that shows how to properly adjust a Rem 700 trigger? I have an old mountain rifle that is like new, hardly had any rounds through it but the trigger is too heavy for my liking.

Called my local gunsmith, they said they won't adjust triggers... only replace.

I have another 700 mtn that has a super trigger, had it adjusted about 30yrs ago, and its been gold since. I've seen a few things online, but figured I'd check here too. TIA!