You're not supposed to shoot 1903's if they are low Serial numbers.They are dangerous to shoot.If you have a Springfield action do not shoot below Serial# 800,000.If you have a Rock Island action do not shoot below Serial#285,507.
The bolt handle should have a dot punched underneath it where it meets the bolt body,and it should be bent very slightly back,just above the knob,to indicate properly heat treated bolts.