I use 310gr Cast flat points and 240gr HP berry`s copper washed bullets all at about 1025fps. Have never had much in the way of expansion with any sub loads so I now don`t consider expansion important. Its more like shooting with a cap and ball gun, large entry and exit and let it bleed out. I usually chest shoot deer and give them a few minutes to drop. They are usually within 40yds of where I shot them.
The pistol bullets will go right through and leave a round exit hole where the likes of the .303, 7.62x39 will tumble on impact and in past usually key holed their way out of the animal.With the .303 & 7.62x39 I ended up just useing military ball .
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