zytec Posted December 23, 2009 Share Posted December 23, 2009 (edited) Hello all. I've been using Dillon 550 and 650 models for more that two years already. Recently, I started loading new heavy bullets for 9x19 luger caliber and got into a problem, that some 3-5% of my loadings have bullet seated off the centre. If I take a single loaded ammo pointing bullet upwards and rotate it around, I can see a bulge at the side. Most of those rounds don't fit caliber cage and stuck into the chamber. Has someone experienced the same problem? Is it a case problem or is there something wrong with my Dillon machine? Edited December 23, 2009 by zytec Link to comment Share on other sites More sharing options...
Alan550 Posted December 23, 2009 Share Posted December 23, 2009 Is the nose configuration the same on both type bullets that you've used? You may need to change the seating stem if they are different. Alan~^~ Link to comment Share on other sites More sharing options...
Sarge Posted December 23, 2009 Share Posted December 23, 2009 Is the nose configuration the same on both type bullets that you've used? You may need to change the seating stem if they are different. Alan~^~ My thought as well. I load precision 147 FP's and they load better with the stem flipped to the SWC end. Link to comment Share on other sites More sharing options...
Merlin Orr Posted December 23, 2009 Share Posted December 23, 2009 Are the bullets good quality and from an established maker? Are you using an undersize die? Link to comment Share on other sites More sharing options...
G-ManBart Posted December 23, 2009 Share Posted December 23, 2009 Get a Redding Competition Seating Die (about $65) and that problem should disappear. Most seating dies don't seat the bullet perfectly straight, but the RCSD does a much better job of this...virtually no runout. R, Link to comment Share on other sites More sharing options...
GrumpyOne Posted December 24, 2009 Share Posted December 24, 2009 Is the nose configuration the same on both type bullets that you've used? You may need to change the seating stem if they are different. Alan~^~ +1 on this. The profile of the bullet makes a big difference! Link to comment Share on other sites More sharing options...
zytec Posted July 1, 2010 Author Share Posted July 1, 2010 Thank you all for your suggestions and I feel sorry for delaying my reply It came out, that both the shape of bullets and seating steam configuration were of the importance. 147gr. 9mm luger bullet is always a kind of oversized and doesn't fit just right. I've ordered a Redding competition die and it really does the work, 100% outcome so far. Additionally, it allows to switch among different OAL's very quickly without throwing dozens of improperly sized ammunitions to the disassembly bag. With best regards. Link to comment Share on other sites More sharing options...
G-ManBart Posted July 1, 2010 Share Posted July 1, 2010 Thank you all for your suggestions and I feel sorry for delaying my reply It came out, that both the shape of bullets and seating steam configuration were of the importance. 147gr. 9mm luger bullet is always a kind of oversized and doesn't fit just right. I've ordered a Redding competition die and it really does the work, 100% outcome so far. Additionally, it allows to switch among different OAL's very quickly without throwing dozens of improperly sized ammunitions to the disassembly bag. With best regards. Excellent! Link to comment Share on other sites More sharing options...
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