It would be a regress, but a 30-06 loaded with 58.5 gr of IMR4350 and a Hornady 165 BTSP out of my 1978 Tikka M65. A death ray on anything that ever had cross hairs on it. I might substitute for a 168 TSX now, though.

"Keep thy heart with all diligence; for out of it are the issues of life." (Prov 4:23)

Brother Keith