After 3000+ rounds, it looks like my 320 is having some extraction problems.

Across 6 different mags, I'm getting failures to extract once a mag. There's a nice scratch across the case rims in question.

Took the gun down today and pulled the extractor. Looks like either there's a chip along the edge or it's just lost its profile.

So time to replace it. I read that there is a new style extractor, including plunger and spring. My gun is from 2014, so I assume everything in it is the old style.

Does the new style extractor kit function with both pre- and post-upgrade 320s? Mine is not upgraded.

If I call SIG, will they just send me the kit to fix myself? Or should I just buy from TGS?

I just ran into the same thing with mine. Fails to extract about every 50 or so rounds. My extractor looks like it's lost its profile. I'm just going to order a new extractor, spring and the front and back pins from TGS.