I picked up about 2k rounds to fill out my training ammo that is mostly comprised of Sellier & Bellot (115 gr). Although they are nearly the same price at about $200/1k rounds, I have never had a problem with S&B, but I just had to share the 4 separate, but exact same issue that occurred in the last month with the last case of Aguila (124 gr).
Forgive my newbness, but I think these 4 rounds were over pressurized or something, b/c the brass swelled and stuck in the barrel and looked like a double feed at first glance, but after dropping the mag and trying to strip the round again, I literally had to disassemble my P30 and use my leatherman set of pliers to take the case out of the feed ramp.
Here's what it looked like:
And here's what the casing looked like:
I can't see anything other than the lead build up on the case from being over expanded, but I'm a total newb when it comes to ammo.
Anyone knows better than me, so feel free to explain this stuff to me or simply take this as a warning.
Lastly, is this happening 4 times out of 2k rounds worse than other 'not-so-good' manufacturers??