A question about WCC 855

[classical_buff]

A question I can

I have a ammo can full of WCC M855 (62 grain, magnetic).
Factory ammo & not reloads.

But, these ammo don't have "green tip".
Any ideas why these ammo don't have "green tip".

[Darklyte27]

pics?

cut 1 in half, see if its steel core or magnetic particle.