You have to just search the ammo dealers at the gun shows and watch the online auctions, but every now and again you can find these, albeit a little on the pricey side but this is what I shoot out of my .303 Savages.
NRA Endowment Life Member (and proud of it)
Nowadays people know the price of everything and the value of nothing.
Wise men speak because they have something to say; fools because they have to say something. - Plato