Don't know what is causing the extractor in my S'G' to break.

Happened 3 times so far. The lip that catches onto the case head is where it breaks off. Bolt is S' G' flat type.

Cleaned chamber as well as I can, wiping it dry before shooting. Recoil spring and guide rod in good shape, no kinks or peening. Gas piston functions properly. Trigger group works fine, have tried it in a couple other carbines with no problems.

Ammo is LC 71, Lot 50-205.

At a loss what else to look for, other than cleaning it again after 100 shots.

Any ideas ?
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