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Small pistol primers

Red Ryder

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I use small rifle in my 40 and 223 i once read that the rifle primers use a harder cup (not sure if it is grade of steel or thickness) but have never had an issue using the rifle primers. Supposedly the Federal pistol cups are a little softer.

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Be advised that it has been reported that using magnum primers with minor loads can cause breach face erosion, also rifle. Just do a search for breach face erosion.

I use what ever I find in 9 major with no issues SPM, SRP, SPP. It is the minor loads that I understand are the issue not enough pressure to seal the primer. I think the last post I read on it was with Tula Small Rifle primers causing an issue in about 300 rounds.

Edited by CocoBolo
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