Here is a 129 ABLR we pulled from the offside hide of a cow elk last weekend, shot from a 6.5 Creedmoor. 240 yds and about 2,400 FPS impact velocity. I didn't weight it, but it is probably 40-50%.

I think there are better elk bullets out there, but this one performed just fine.

[Linked Image from i.ibb.co]