Before we get all "OH WOE IS TO GLOCK AND THEIR MIM PARTS" keep in mind this is a 2008 vintage Glock 19 and the brass-to-face issue is something that has been increasing over time (with crappy Wolf ammo) and has not been an issue form the get go. It also just broke 8,000 rounds.
Now, the recoil spring assembly was replaced about a thousand rounds ago so I don't think that's the culprit. The extractor claw *looks* okay, but I can't say for sure. Is it possible that the extractor depressor plunger spring is worn out? I figure if it's not providing proper extractor tension it might be the cuprit. For what its worth, I shot this side by side with my Gen3 G17RTF at the range the other day and the 17 didnt have the same brass to face issues of the 19.