shooting .223 in a Savage 12 with a 26" varmit barrel.

For accuracy only, what loads do you recommend for 50gr soft point bullets?

Since I was able to buy several thousand 50gr Varmit Nightmare X-Treme sp's, I'm using Varget and IMR 3031 (only powders available locally) and looking for an accuracy sweet spot.

cliffs:
light bullet, varmit barrel, accurate .223 load?