For me it takes more than 1 sign if pressure to believe I am over pressured. Flat primers alone doesnt make me back off. I wont keep loading up, I'll stop there, but a combination of things like flat primers AND heavy bolt lift, or flat primers and ejector marks I will back off a little.
So far in my reloading I havent dealt with pressure issues, mainly because Im not a velocity whore. I dont really spend any time trying to hot rod anything. In my mind if it shoots well and falls in my maximum range for terminal velocity I see no point in burning a bunch of components for little return on my investment.
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