I used Fiocchi LR primers for years. They're not my first choice for serious paper bashing where I prefer CCI BR's but the Fiocchi have always performed very well in my old Omark and my K31s that includes the handloading stage.
I'm sure Peterson (or maybe it was ADG) mention on their website that they manufacture their primer pockets slightly under size ie diameter, on purpose.
There ya go https://www.petersoncartridge.com/te...rimer-pockets/
With the current famine which will potentially get worse (the Yanks are saying at least a year b4 anything like normal supplies resume) I'd be hanging on to my primers whatever brand they are.nue
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