What would cause this?

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cigargreg
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What would cause this?

Post by cigargreg » Sun Sep 13, 2015 12:02 pm

I believe this is happening with my Glock 17, They were 1x reloads 147 gn 3.4 titegroup and 1.15 OAL.

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arkhangel5
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Re: What would cause this?

Post by arkhangel5 » Sun Sep 13, 2015 2:14 pm

CigarG,
That mark looks like it is hitting something metallic on ejection, side of ejection port or hitting the ejector really hard. Is it a consistent mark in the same area with all the brass?

SY
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cigargreg
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Post by cigargreg » Sun Sep 13, 2015 2:52 pm

Yeah it's petty constant, I was thinking is hitting the extractor. After looking at the primer strike I think it's my p226.

John K
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Re: What would cause this?

Post by John K » Sun Sep 13, 2015 4:48 pm

Looks like its jamming into the extractor. You might want to double check your powder/scale.

Is it only happening with your handloads?

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cigargreg
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Re: What would cause this?

Post by cigargreg » Sun Sep 13, 2015 5:38 pm

It looks like it has happened to some of the factory shot brass I have also.
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cigargreg
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Re: What would cause this?

Post by cigargreg » Sun Sep 13, 2015 5:50 pm

Going to call Sig tomorrow.

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mgunner
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Re: What would cause this?

Post by mgunner » Mon Sep 14, 2015 10:32 am

I would put one of those empty brass that got dented into the slide as in the picture and slowly bend it out in the same way as it would when firing and look at the spot where the extractor holds the brass under magnification and see if the fit is so tight that when the brass angles out it gets pushed too strongly into the extractor. the dent looks like impression of the extractor. maybe on some brass its a little bigger at the base and pushing it too far towards the extractor as brass angles out of the groove.

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Racist Infidel
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Re: What would cause this?

Post by Racist Infidel » Mon Sep 14, 2015 9:32 pm

The extractor hook is hitting the cartridge case. Just bevel the top slope on the hook enough to clear the case.

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Re: What would cause this?

Post by cigargreg » Wed Sep 16, 2015 9:28 pm

I am kind of surprised by the response I got, I called on Monday morning and finally got this answer today.
Greg,

I did receive word from my gunsmith. The dent in the casing isnt all that surprising, especially with the Winchester rounds, because of the way the back of their casings are shaped. He also commented there is some brass, which is normal, but that some could be unburned powder, not uncommon for Winchester and federal. As long as there are no failures to feed, extract, or eject everything looks normal and you should be good to go.
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