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"ring" round .38 pl & 357 mag cases
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mister callan
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July 22, 2022 - 11:29 am
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I used to know, but have forgotten.

Many of my cases have an embossed "ring" about 3/4 way up the case, (4th from left, red arrows point to it) it was used to identify something, but what was it?

Matthew Quigley on handguns:

“I said I never had much use for one. Never said

I didn't know how to use it.”

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Charger Fan
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July 23, 2022 - 1:53 am
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Pretty sure it marks the bottom end of the bullet. Looking at the case bulge on the ones I've outlined, I'm fairly certain those are the bottom of the inserted bullets. I've noticed similar bulges in my own reloads, though I have yet to actually measure out my theory. 

Screenshot-2022-07-22-233036.jpgImage Enlarger

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rwsem
SOWELA (Southwest Louisiana)

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July 23, 2022 - 5:44 am
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^^ Correct.  Some manufacturers produced cannelured brass cartridges to prevent bullet setback.  Nowadays, I think it's not as pronounced and therefore just a leftover mark for identification (IMO). Doesn't matter for reloads as you may or may not use the same bullet as the OEM.  

Technically, the glass is always full; half liquid, half air....

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mister callan
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July 23, 2022 - 5:19 pm
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Thanks anti-setback cannalure! That was it.

Charger,

I'm not talking about the slight bulge in the case, but the indicated (red arrows) engraved cannalure further down.

Matthew Quigley on handguns:

“I said I never had much use for one. Never said

I didn't know how to use it.”

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snake-eye
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July 24, 2022 - 2:26 pm
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KurtB
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July 24, 2022 - 9:54 pm
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