Risky, I would back off the powder charge about 10% and work up the load again in his rifle. Ideally put them over a chronograph from both rifles and see if speed is similar, in basic terms more speed = higher pressure.
Risky, I would back off the powder charge about 10% and work up the load again in his rifle. Ideally put them over a chronograph from both rifles and see if speed is similar, in basic terms more speed = higher pressure.
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