I think my Barnes penciled many moons ago,but the partition left a big wound.But elk have big tough necks.I dont like hearing magnium mania failure,becuase thats my main bullet.I have had friend have expansion issues at 1200 yrds.But ive also one friend with over forty elk with his 338 many at or close to 1000. I have also shot a bull at 40 yrd and bull moose at similar,and the OTM blew massive whole going out. My light rifles are hard on bullet IN rifle,recoil flatens tip,worry on berger on this,but have whole tips broke off on AB's? I also had AB's seperate. Cody what did you go to in 6.5