...have a CZ 527-223, ...257 Roberts ... Wanting something bigger...
Your present bullet capability is ~60 grains and ~120 grains. A .30-06 would add ~180 grains and power enough for any North American big game. Resulting progression: 60/120/180.
"There's more to optics than meets the eye."--anon
"...most of us would be better off losing half a pound around the waist than half a pound on our rifle."--dhg
