Unless of course you are loading for the max pressures for your personal cartridge you can interchange all of the LP primers at will. Except you are a outstanding skilled focus on shooter, you most likely won't see any precision variations. Increase to quote Only exhibit this person #20 · https://federal-match-ar-primers49324.dgbloggers.com/32247471/the-2-minute-rule-for-federal-large-rifle-magnum-primers-215