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Old November 19, 2012, 11:19 AM   #31
Crow Hunter
Senior Member
Join Date: January 27, 2012
Posts: 1,078
The usual failure mode is bending, not usually breaking or chipping, but it can and does happen.
I have seen chipped Glock extractors, but never a bent one (that I was aware of anyway).

Is this just in reference to 1911 internal extractors?

I don't know much about them.

The Glock Extractors are MIM or cast then hardenend/annealed. I have never read an analysis done on them, so I don't know what steel alloy they are made of and if they are through hardened or just surface hardened.
I am no longer participating in gun forums.

Good luck.
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