New to me '03A3

[Jim Bridger]

These rifles Garands and Bolt operating mechanisms should remain in the SAMMI Safe Zone.  The SAMMI Safe Zone is 62,000 PSI on the bolt face.  I would recommend American Eagle ammo and careful reloads. Reloads with bullet weights of 150-173 bolt face pressure not to exceed 50,000 PSI.
I have had 2 Garands and a 1903A3 separate at 70,000 PSI Breech Face Pressures. Don't forget these rifles are not capable of modern ammo pressures.. These wonderful firearms often fall into 80-100 years of age. Good Luck.