looks like a stud, 155" was my 1st reaction, but he could go more. I'd like to see him in hard horn. Good luck!
I say high 150's also, but wouldn't be surprised to see him go into the lower 160's. How about you knock that big guy down, get a tape on him and let us know!
69 inch right side, 67 inch left , 17.5/ to 18 inside .. I would have said a little wider but that one photo looking up into his mains is probably more accurate than those tilted pix.. Hell of a 7x6 buck. 154 gross