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**Mike Irwin** · December 12, 2011, 03:35 PM

"is that a standard across most major primer manufacturers like Remington, Federal, CCI and Winchester?"

It has been for many years.

Primer sizes pretty much standardized into the common sizes we have now by the end of World War I.

There have been, at various times, exceptions to this -- strange primer sizes, speciality runs of cases that traditionally use one primer size, but for whatever reason have a different size primer. and so on.

Fortunately, you're not likely to encounter many, if any, of those.

You're more likely to encounter European ammunition (not made for the American market) that is berdan primed with metric primers.

Stick with Norma or Hornady (I think they're making 6.5x52 Carcano ammo) and you'll be fine.

December 12, 2011, 03:35 PM	#7
Mike Irwin Staff Join Date: April 13, 2000 Location: Northern Virginia Posts: 41,390	"is that a standard across most major primer manufacturers like Remington, Federal, CCI and Winchester?" It has been for many years. Primer sizes pretty much standardized into the common sizes we have now by the end of World War I. There have been, at various times, exceptions to this -- strange primer sizes, speciality runs of cases that traditionally use one primer size, but for whatever reason have a different size primer. and so on. Fortunately, you're not likely to encounter many, if any, of those. You're more likely to encounter European ammunition (not made for the American market) that is berdan primed with metric primers. Stick with Norma or Hornady (I think they're making 6.5x52 Carcano ammo) and you'll be fine. __________________ "The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza Baby Jesus cries when the fat redneck doesn't have military-grade firepower.