50cal, WCC 86 headstamp, lavender tip


#1

I have one of these, and Fuch’s book lists what I think is two different types. Without xray or pulling, how can I tell?

Is it the XM975 (found that designation on globalsecurity’s site)

W C C 8 6 LRTA – Ball lavender tip 1s cl b/rd 0123

Limited Range Training Ammo, fin destabilized, copper-washed steel projectile w/black
plastic triangular BT

W C C 8 6 LRTA – Ball lavender tip 1s cl b/rd pc06
Limited Range Training Ammo, copper-washed steel projectile, w/black plastic triangular BT,
4 small holes drilled down toward base, 90 degrees apart, 0.750” from the tip of the blt