So today I had a round that wouldn't chamber, I would guess it was protruding .1". Cleared it and carried on no issues. When I got home, pulled the bullet, resized the case, loaded the same bullet, same result. I measured the bullet with the calipers, 0.3545". Took at different case, loaded the same bullet which chambered no issue. When all was said and done, after a bit of testing, I identified two cases, PPU and CBC, that had the same issue. No problems with Win, Speer, Federal etc. So what gives? Thicker walled brass? And if so, can I adjust my sizing die to aid with this?
Loading was done on a Dillon 550 and Dillon dies. Gun was a Shield.
Thanks.
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