I never used them and have only taken 1 elk so im not an expert on advise. I have read many good things about them for elk on the other hand. An interesing forum where there is good information on elk loads Longrangehunting.com
I have not shot elk, but have shot moose, caribou, black bear, kudu, black wildebeast, red hartebeast, impala, bushpig and several other animals with them and have no complaints accuracy or performance wise.
I had the same problem with the partitions and then a friend of mine that is a long range shooter told me about the accubond. I tried them and my group tightened up really well. I have been using them ever since. Good luck on your elk hunt and what are you going for next spring in Africa? I am going back in May of 2014 with Kubusi Safari's for kudu, zebra, springbuck, and maybe a couple others.
If I were going for elk,that would be my first choice.They penetrate like crazy and hold together very well.I've shot several deer with them out of my .308 and the only one that I recovered was shot lengthwise though a deer and it was prefectly mushroomed.Every deer I've shot with them dropped in their tracks but I was originally questioning how well they opened up.This year I used the 180's in my .300 wsm.I shot a doe at about 75 yards.I had to shoot her a little far back because her shoulder was blocked by some brush.She dropped right on the spot with a shot to the last couple of ribs and never got back up.
Thats been always a question to me of bullet opening up. Im in to Lr shooting, high bc's, etc. but come from another school of bullet performance. We see and read about how much we want bullet to retain and how we never recover bullets. I still have concern here and maybe wrong but i like to see fragmintation. Thinking if bullet fragments doing its job that way we dont need a blood trail. Before i went to Co. last fall my back up gun was a ultra lite 25x284 i switched to the 100 grain swift scorr. bullets for the highrt bc band wagon. I just installed a kenton industry knob and wss testing it for dialing yardage. I shot a water jug at 600 yards for scope testing and was able to recover bullet. It weighed 93 grains from a 100 grainer easy math it retained 93%, to some this would be impressive but how would it of performed on animal. I pulled bullets and reloaded my old stand bys sierra. Fuel for thought?