For those that don't reload, a couple of years ago I boughtI some Privi Partizan ammo that was specifically for the M1 Garand. It shot as well as various loads I've loaded for mine It was in 20 round boxes labeled:

30-06 Springfield
for rifle M1 Garand
FMJ 9.7 g (150 gr)
Lot PPU 1407

As I recall it was reasonably priced for commercial ammo and had good reloadable brass.