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Join Date: Jun 2009
Location: Northern Berks County, PA
Re: Hornady GMX
The driving bands on them will help keep pressures down.
I loaded the 165's in the 30-06 and I was not impressed with the exit holes. That said, what I got on each of the three deer I killed with the GMX was a caliber-sized entrance, about a 40-caliber exit, and a big nasty mess in between.
I had one run on me, and he didn't bleed much for about 15-20 yards, then it was a red carpet for another 80 to a dead deer.
All were shot very close....20-25 yards. If I remember my load data correctly, they were leaving the rifle around 2850-2900. I figured it was just too hard a bullet for what I wanted to do, and I moved away from it.
My advice is to drive them as hard as you can safely do it. They need speed.