definitely try factory ammo. and check lbs on recoil spring... if all else fails borrow mags or buy different brands of mags. and if that don't work, take it to a smith.
Just checked the extractor tension, and it's fine. If anything, it's a bit loose. It's not binding things up, at any rate.
Fora seem to suggest that a 1.18 OAL may be a better fit. I might also try a tighter crimp on the case mouth, see if that smooths things out a bit.
Anyone have a source for proper dimensions of magazine feed lips?
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