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Primer Pressure Gauge?

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Old 04-12-2011, 02:03 AM   #1
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Default Primer Pressure Gauge?

I was taught that the primer was a good indicator of pressure. A very much flattened out primer indicated very a high pressure.
I took my 12FV .223 Savage and my home made rest to the range today. I had purchased a quantity of Winchester and Federal ammo. The Federal ammo worked quite well while the Winchester ammo is not near as accurate. When inspecting the spent cases I noticed that some of the Winchester primers had flattened out considerably more than others. Is this just plain old poor quality?


Primer Pressure Gauge? - Ammunition & Reloading

Last edited by terry_g; 04-12-2011 at 02:07 AM.
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Old 04-12-2011, 02:41 AM   #2
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Not really.

I have primers that are flat and have a ridge around the firing pin indent and I am only 50 fps over minimum.

Are you shooting a remington?

Remington for some stupid reason though that putting a nice bevel on the hole in the bolt face was a good idea. I heard that no matter what they cause that ring.

I know mine does.

The one on the right might have been a hotter load. Or it could have sat in a hot chamber longer than other rounds.
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