It looks like your extractor may be too far into the center of the boltface. Are you sure you don't need a 7.62x39 extractor?
Here are some photos of the group buy Grendel bolt from this site and a 223 bolt face.
You can see these extractors are farther from the firing pin than yours.
[ATTACH=CONFIG]10069[/ATTACH][ATTACH=CONFIG]10070[/ATTACH]
Edit: Just found this on a search.
https://www.kakindustry.com/ar-15-parts/...-extractor
And this:
https://www.ar15.com/forums/ar-15/-/121-463164/&page=1
Here are some photos of the group buy Grendel bolt from this site and a 223 bolt face.
You can see these extractors are farther from the firing pin than yours.
[ATTACH=CONFIG]10069[/ATTACH][ATTACH=CONFIG]10070[/ATTACH]
Edit: Just found this on a search.
https://www.kakindustry.com/ar-15-parts/...-extractor
And this:
https://www.ar15.com/forums/ar-15/-/121-463164/&page=1

