.257R
I used to hunt with .257 Roberts and loaded 117 grain RN for it. (Hornady) At closer ranges they wouldn't always expand, just poke a hole through both sides if you didn't shoulder shoot them. I am talking 40-50 yards. I had it happen with a .243 also, but I remember that was Winchester factory ammo. Lucky I had a chance for second shots. I actually thought I missed the one deer. At longer ranges I never had a problem. Have you ever experienced this?
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