Cratered/bulged primers, who's getting them?

[Chokejug]

Under compression, I am not going to worry about it.
Likely to last right up until gun oil or some cleaning agent causes it to just disintegrate.

Back to the bulged primers, I am more than ever convinced that the casings are sticking in the chamber, while the breech block moves back that minute fraction, as just a very tiny few of my brass cases are doing so, but its running close to 100 percent on all of the steel casses.

Steel just doesnt release either, as fast or as much as brass.  Seen similar problems with certain auto loaders in shotguns and steel vs brass heads with plastic hulls.

Even some break open guns that wont release the steel heads for 20/30 seconds after firing.  It seems that the heat from firing has to disapate a bit before that steel will turn loose from the chamber walls.

As I said, all I could find of the latest steel cases had the bulge, but the realy rusty ones from being fired in another gun or two, quite some months earlier, did not.  Flat as they could be.

[funflyer]

The new gen1 barrel I received is dimensionally equal to the gen2 with the exception that it has, or had, a very tight chamber until the hone and polish was done. The headspacing came down to .759" which is so negligible that it made no difference with the primer anomalies. At this point I'm just going to call them normal and live with it.

I did reshape the extractor on the forward side (see pic) which eliminated the case marks and also made the ejection very consistent compared to before. Before it would toss the brass everywhere including straight up and on the top of my head. Now it will eject the brass right to about the 4 or 5 o'clock position and out to 4 - 8 feet.

Oh, and the elastomer for the extractor doesn't look any worse for wear after 800+ rounds. (again see pic)