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I was looking up the ballistic info on Federal Premium, Vital Shock, .300 180gr with Nosler partition and noticed a statement "not for use in semi autos". Does anyone know why? I have 5 box's of this stuff and that statement has me leary of shooting until I find out the specifics behind it. Maybe related to feed issues? Slow burn powder vs fast, crimping, notched or something like that? I don't know, can't find any info online. As long as it doesn't have anything to do with pressure or something that will cause damage. I shot ten rounds of this (prior to this new info) on my last outing and it