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Thoughts on adg vs norma capacity

Last time I switched brass I just did a quick ladder to be safe. Takes 8-10 cases for piece of mind. Ended up with .5 grains higher charge in the Norma brass. Woulda been fine had I not done a ladder but wasn't worth it. Stay safe brother
 
I also replaced my Norma 300 WSM brass with ADG.

I started 4 grs lower, worked up in .5 gr increments, settled on 2 grs less powder than the Norma.
One reason on going that much lower was to not over pressure the new brass on the 1st firing and to treat it like any new component and start low.
 
I also replaced my Norma 300 WSM brass with ADG.

I started 4 grs lower, worked up in .5 gr increments, settled on 2 grs less powder than the Norma.
One reason on going that much lower was to not over pressure the new brass on the 1st firing and to treat it like any new component and start low.

Did you achieve similar velocities with 2 grains less in the ADG brass?
 
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