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#6107311 - 12/28/15 09:47 PM Case head separation signs?
jeepercreeper Offline
Extreme Tracker

Registered: 11/07/10
Posts: 3642
Loc: DFW
Just FL resized some brass with brand new Lee dies and noticed a ring at the base of the brass. I think this is simply where the die resizing stops but i dont see this with my other dies and brass after a FL resize.

This is all once-fired Hornady brass out of a bolt gun. First time Ive worked with factory Hornady brass. Thinking about running a paper clip and/or cutting a couple cases to see what the inside looks like.

Please excuse the dirty brass. Hasnt been cleaned yet smile


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#6107323 - 12/28/15 09:52 PM Re: Case head separation signs? [Re: jeepercreeper]
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 6220
Loc: Wise Co.
I'd check it. Looks like the bright ring of doom to me, but hard to be sure looking at a photo.
_________________________


Originally Posted By: Cleric
God I am hating caliber threads more and more

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#6107330 - 12/28/15 09:56 PM Re: Case head separation signs? [Re: RiverRider]
jeepercreeper Offline
Extreme Tracker

Registered: 11/07/10
Posts: 3642
Loc: DFW
Originally Posted By: RiverRider
I'd check it. Looks like the bright ring of doom to me, but hard to be sure looking at a photo.


Uggghhh. I just resized about 50rds and 45 of them look like this. These are all once fired too!

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#6107365 - 12/28/15 10:14 PM Re: Case head separation signs? [Re: jeepercreeper]
jeff1383 Offline
Tracker

Registered: 05/19/11
Posts: 873
Loc: Frisco
If they're once fired I seriously doubt you're seeing case head separation unless you've got a chamber with waaaay too much headspace

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#6107374 - 12/28/15 10:16 PM Re: Case head separation signs? [Re: jeepercreeper]
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 6220
Loc: Wise Co.
I know exactly what you mean. You know how to check em with a bent paperclip, though. They may be fine. And I could be just wrong about how they look. I'd expect the bright band to be a little wider, but...so I'd check.
_________________________


Originally Posted By: Cleric
God I am hating caliber threads more and more

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#6107712 - 12/29/15 08:24 AM Re: Case head separation signs? [Re: jeepercreeper]
jeepercreeper Offline
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Registered: 11/07/10
Posts: 3642
Loc: DFW
I'm gonna go ahead and cut a couple and check them out. I value the gun (and my face) way more than a few pieces of brass.

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#6107831 - 12/29/15 09:44 AM Re: Case head separation signs? [Re: jeff1383]
cabosandinh Offline
Pro Tracker

Registered: 08/12/13
Posts: 1156
Loc: Dallas, TX
Originally Posted By: jeff1383
If they're once fired I seriously doubt you're seeing case head separation unless you've got a chamber with waaaay too much headspace


This or was hot load that caused case to expand out of normal

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#6107996 - 12/29/15 11:23 AM Re: Case head separation signs? [Re: jeepercreeper]
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 6220
Loc: Wise Co.
What cartridge are they, and what rifle were they fired in?
_________________________


Originally Posted By: Cleric
God I am hating caliber threads more and more

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#6108083 - 12/29/15 12:28 PM Re: Case head separation signs? [Re: RiverRider]
jeepercreeper Offline
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Registered: 11/07/10
Posts: 3642
Loc: DFW
Originally Posted By: RiverRider
What cartridge are they, and what rifle were they fired in?


Oops, I guess I should have mentioned that.

Hornady 130gr SST 270win out of a Sako A7.

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#6108979 - 12/29/15 09:35 PM Re: Case head separation signs? [Re: jeepercreeper]
jeepercreeper Offline
Extreme Tracker

Registered: 11/07/10
Posts: 3642
Loc: DFW
Ran paper clip through about 10 cases and not feeling anything.

Also cut a couple cases and doesnt look bad to me. What do you guys think? Just resizing marks?




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#6108989 - 12/29/15 09:39 PM Re: Case head separation signs? [Re: jeepercreeper]
RiverRider Offline
THF Trophy Hunter

Registered: 11/11/07
Posts: 6220
Loc: Wise Co.
Looks fine.

That line is just about always there after sizing a rifle case, but usually it's not so bright. Fooled us both, it did.

Better to err on the side of caution than the alternative, though.
_________________________


Originally Posted By: Cleric
God I am hating caliber threads more and more

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#6109031 - 12/29/15 10:03 PM Re: Case head separation signs? [Re: jeepercreeper]
jeepercreeper Offline
Extreme Tracker

Registered: 11/07/10
Posts: 3642
Loc: DFW
Yeah it certainly had me second guessing with the ring being so bright. We'll see how the rings look after the tumbler.

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#6109081 - 12/29/15 10:45 PM Re: Case head separation signs? [Re: jeepercreeper]
ChadTRG42 Offline
THF Trophy Hunter

Registered: 09/16/09
Posts: 9425
Loc: Lewisville, TX
Yes, I get the bright line at the case head sometimes after FL sizing. When you have actual case head separation signs, there will be a slight concave look at the case head area (where you see the shiny line). My 300 WM Nosler brass has MULTIPLE reloads on the brass from many firings through 2 different chambers. The last time I FL sized them I noticed the concave look at the webbing. Some of the rounds I shot had case head separation. But I'm running a 225 BTHP at 2911 fps! You will see the concave look and some stretching in that area. It does look similar to what you have now, but more severe.
_________________________

www.DallasReloads.com
Type 01 and Type 06 FFL

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#6109834 - 12/30/15 12:38 PM Re: Case head separation signs? [Re: jeepercreeper]
papa45 Offline
Bird Dog

Registered: 05/14/07
Posts: 473
Loc: Arlington
Agree with River Rider. I always see that line on my brass, but not so bright, probably because I resize after tumbling. Also, in my experience, a case-head-separation line is usually a little higher, wider, and not so shiny as the one you are seeing (may depend on the brass.)


Edited by papa45 (12/30/15 12:40 PM)

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#6112384 - 12/31/15 08:16 PM Re: Case head separation signs? [Re: jeepercreeper]
jeff1383 Offline
Tracker

Registered: 05/19/11
Posts: 873
Loc: Frisco
Use a little more case lube also

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