andrewtac Posted September 21, 2016 Share Posted September 21, 2016 I run both with bayou and ibej 200 grain RN. I did on 160 9mm bayou as well. The reason not to run the fcd is setback. With the post size after bullet seating brass can spring back and lead won't (if the bullet is to large), leads to loose neck tension. It is what it is, and many people recommend against it for this reason and state you should fix any issues with the case before seating and crimping. However, I have never had an issue. I have measured for setback after numerous cycles and never see it. Also, I have tried to cause setback by forcefully pushing the bullet down on a table top, no setback. Also when I ran 9 before on pickup brass some of the cases had vertical crimp in the sides of the case. Even the lightest seat and crimp would cause some buckling, fcd fixed it. I never had any issues with case gauge or feeding (glock and cz) same on my 40, 1911 Wilson barrel. Link to comment Share on other sites More sharing options...
CrashDodson Posted September 21, 2016 Share Posted September 21, 2016 FWIW I have had much better luck with the redding dual ring sizer then when I was running the Udie. Link to comment Share on other sites More sharing options...
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