I have reloaded well over 10000 223/5.56 on mi LnL Progressive with nary a hiccup but as was previously mentioned , the nut that adjusts the guide wire/cam needs to be adjusted quite a ways down-I think I have about 1 thread showing on mine.
I also tend to de-prime in a separate step using a Lee Universal depriming die so as not to break the pin if I happen to pick up a crimped case - very hard to discern case ownership at the range when 223 brass is pitched thither and yon.
Other than that, I use Hornady spray lube - let it DRY!!- and regular(non-carbide) dies as it is my understanding you still need lube on carbide rifle dies anyway and i really, really detest having to pull out a stuck case.
Try adjusting the wire and you should fix the dilemma.
One last thing, I do find it helpful to sort of steady the top of the case as it feeds into the shellplate-just a finger on the top to hold it til the plate and spring have it.
Gary
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