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9mm Starline Brass


Albertl35

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I just got in 2k of 9mm Starline Brass and have noticed that some are very tight and needs to be reemed by a primer pocket tool while others are fine. I estimate that about 20% are tight and 5% very tight.

I also got 2k of 40SW Starline brass and they are fine (random check of 20 cases). Anyone with this exerience? I would expect that the chrono will show a wide extreme spread and high SD on the 1st 150 rounds that I loaded with the Dillon 650. I had go over them with a hand held primer seating unit to get them flush. This did make me a little nervous since it is a loaded round. :unsure:

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  • 4 weeks later...

Correction, the brass was not Starline as I thought. I reached a got a bag of brass, turned out that these were new Hirtenberger 9mm brass. The primer pockets are not uniform, some are tight and others are loose.

I have some Starline and they are far more consistent.

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  • 2 weeks later...

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