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Just what is the meaning of +P
Is there any definition or industry standard of a +P how about ++P? I am now at the place where I can reload and was wondering if there is an industry standard. I figure that there must be because some gun manufactures say their gun is capable of firing +P ammo and I am pretty sure they would want to know what they were signing up for. Does it allow for a certain over pressure or over velocity?
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