Ok, I stuck a new 1/8 twist Bison Armory 18" barrel on my 223 AR. I am wanting to work up a load using one of the heavier bullets + 60 gr. Mainly will be used for punching holes in paper and shooting at some steel.

Whats every ones opinion on the best bullet/powder combo? I have looked at the 77gr Sierra or 75gr Hornady match bullets but I am wide open to suggestions.

Thanks