139gr Interlock will be an in and out with minimal expansion unless you hit dead on the shoulder and even then that bone isn't really heavy enough to open those up too awful much. I've drilled a few yotes with all 3 of my 7mm/08's at distances from 20 yards to 140 with those 139gr while out hog hunting. The 20 to 40 yard ones had maybe 50 cent piece sized exits but nothing TOO awful bad. Like NoMercy and D80 stated, you will want to stay well away from the SST's on a yote unless you want to pick up half a yote here and the other half there. It aint pretty