Don’t know what the little book says, but my .375 Winchester Model 94 runs about 45-50000 psi and all I shoot is straight wheel weight, 1800+ fps, no problems. Quenching makes them a bit harder, although it may not be necessary. Sorry, but I have no idea what the BHN is.
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Those who beat their guns into plows, will plow for those who don't.-Thomas Jefferson
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