some 30 cal cartridges

[RCS]

left to right 30-03, 30-06, 30M1 and first year of 30M2

when the 30M2 was introduced in the late 1930's the bullets had a stannic
stain for I.D. this was eliminated by 1940

[Jersey Devil]

RCS,
What's the story with M2 Alternative ammo?

Thanks for posting your information here!