7.62x54r in a Garand?...Hornady Vintage Match 7.62x54R 174 Grain Boat Tail Hollow Point Ammunition.
Match grade stuff for when you really want to see what she will do.
Sellier & Bellot 30-06 Springfield (M1 Garand) Ammo 150 Gr FMJ.
More affordable range fodder.
All can be ordered from the comfort of your own home and delivered right to your door. They had a few other options as well. Just go to Target Sports USA and type "Garand" into the search box.
And the PPU ammo I linked above is 6 cents per round cheaper plus a 50 cal ammo can!