Thread: AR15 shell cases not extracting

Originally Posted by Banana

Get the chamber/bolt checked with a GO gauge. I don't use small base dies and have never had an issue. What brand is the gun (or the BCG and barrel if it's a parts gun)?

It's a Core 15/magpul so it's probably made up of different parts. It should still function properly though. It's very accurate & have flattened turkeys out @ 300+yds with 62gn FMJ's(lasered distance). I'll take it to a gunsmith to have the chamber checked. The other cause I thought would be dirty shell cases but they're as clean as I can get them.
Thanks for your advice.
Phil.