Buddy shot a 200 lb deer at 15 yards with his 300 RUM, 180 accubond 3200 Fps, in the shoulder the other day and he made it 75 yards. Bullet didn't exit and was in skin on the far shoulder. The shock busted his guts open and it was a disaster to field dress. Some times they are just going to run. I've found several accubonda in deer and they look just like the picture below. Only one time did a 140 accubond 7mm not exit or found in the deer. It also ran 150 yards. With all that's said, no they usually don't blow up in my experience of over 50 deer hogs and a few elk.
Deer with the rum at 15 yards
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Bullet from the Rum at 15 yards into the deer above
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Last edited by msuhunter; 11/26/15.