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I finally got my new Dillon 550B up
and running..set up to reload 9mm.
I am having a problem with priming.
About every ten-fifteen cases, the
primer fails to seat properly. It's
either not fully seated or it is crushed.
I've followed the owners' manual and
video. I'm using clean commercial brass.
I know the amount of force used in the
priming stroke may be partly responsible,
but given all the cases are the same brand
and most of them seat easily..what else
should I look for?
Any "tweaking tips?"
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