Are there any marks on the round (if you get it it out manually). I know a guy who did the same thing and his chamber was out of soec so badly it was ballooning the cases so he could not resize them. I do know that there are only a couple of mfrs that make high quality x39 parts; most are cheap crap.
If you found marks on the bullet, the leade might be too short causing it to engage the rifling too soon; I've seen that a number of times in cheap "5.56" chambered bbls.
You could contact the bbl mfr and see if they would replace the bbl. The guy here did that and the mfr actually replaced the bbl for him (even though it was a cheap bbl).
Dykem Blue works well for finding marks on things and it should withstanding the chambering and firing pretty well.
Good luck.
Last edited by Sparky5019; 01-09-15 at 08:04.
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