boatdoc173 Posted March 31, 2021 Share Posted March 31, 2021 (edited) Have loaded on 2 different 550c machines(45 acp+ 9mm) about 5,000 9mm and 2000 45 acp so far(LPP with the 45 acp) I have noted that both machines are failing to drop the primers into the primer cup. I noted the primer feed stop pin was not moving back far enough to drop the primers. Nothing blocking the prime r bar from moving. culprit appears to be the primer feed stop pin wore down just a mm or 2 was all it took to stop the process. just fyi in the future Edited April 1, 2021 by boatdoc173 errors Link to comment Share on other sites More sharing options...
RudyVey Posted March 31, 2021 Share Posted March 31, 2021 Odd, I have a similar set up, 2x550 - one with LP for .45 and one SP for 9, 38 spl and 357 mag. Probably have loaded several 10k of rounds on either one, but never had an issue with this pin. The only problem I have from time to time on either machine is an upside down primer, then the show stops and I have to take the priming system apart and remove the upside down primer (or is it down side up???). Link to comment Share on other sites More sharing options...
boatdoc173 Posted April 1, 2021 Author Share Posted April 1, 2021 whether it is a problem with a reloader, gun,car... I hear "I have never seen that before " from the experts. seems to be my M.O Link to comment Share on other sites More sharing options...
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