My favorite Hunting bullet in .310 is Speer 123gr SP. I bought 1K Blems on GunBroker several years ago. They work great on Whitetails and are very accurate.
My Ruger is a ASI Custom with .308 bore. May favorite Hunting bullet is Sierra 135gr SSP (Discontinued).
That was one of the bullets my father used in his 30 Herrett Contender. The other was a similar Hornady offering.
