Thanks guys! For those that want to know...I used my Tall Tines r/c, 58" and #58. FMJ 400 with 75 gr inserts and a 200 gr. Eclipse werewolf head.
The arrow made it to the chest cavity but hit the carotid artery on the way in. The slight elevation difference from me to the elk made me need to hit higher than I would have liked for a frontal making the arrow need to travel through more of the neck than desired for a chest shot.
Would I take the shot again....."No" from a slightly elevated position and not from "snap shooting" like I did. "Yes" if I was on a level plane and already cranked to full draw. Needs to be under 10 yards as well and only on really big critters..