Newb ID help 30-06 wildcat?

The pics speak for themselves. These are 30-06 cases most are stamped LC 62 MATCH

bullet is .316 or so
case length 2.475

shoulder angle is really weird.

Could this be 8mm-06 or a Gibbs or Ackley wildcat?

The only provenance that I have is that it was purchased as part of a larger ammo lot from the City of Tucson AZ surplus auction. At first glance it looks like a 30-06 round that I accidentally crushed in my press, but there is 50 of them exactly the same.
I took a shot next to a regular 30-06 round.