Thread: Bulge buster 40SW

Interesting. How much velocity variation are you seeing?
Have you done a comparison of a batch of new brass vs old to see if there is a consistent velocity difference?

I basically load a batch of 500 that I only use for practice. I just keep loading it until I get a split case or some other issue. I find a case that I can no longer read the headstamp clearly, will generally split or no longer pass a drop test in the next few loads, so I biff them.

I only load newish brass for competition and ensure that is running at PF during the winter. In turn knowing I will be above PF when most comps are scheduled during the warmer months. I still chrono to be safe and it is always higher than PF.

Might have to chromo my practice stuff to see if there is a major difference.
Might be a glock thing tho?

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