00buck Posted October 23, 2013 Report Share Posted October 23, 2013 hi all trying to load some 410 65mm on my new mec 600jr some crimp fine so must have it set up ok but others just mash up the crimp I do a pre crimp then when I try to crimp it just mashes and not fold it in I have tried new cases old cases and different makes but all the same can anyone help out Quote Link to comment Share on other sites More sharing options...
sitsinhedges Posted October 23, 2013 Report Share Posted October 23, 2013 Floating Chamber has spoken a few times about the unsuitability of European cases for this reloader IIRC. What I do if i'm having a problem with the final crimp on my 20gauge press is to do the pre crimp and then go straight to the RTO to close it properly and this works a treat. Quote Link to comment Share on other sites More sharing options...
deershooter Posted October 23, 2013 Report Share Posted October 23, 2013 Tell us what powder/shot weight and wad I might be able to help also what make cases and are they 6star crimp to start with Deershooter Quote Link to comment Share on other sites More sharing options...
snarepeg Posted October 24, 2013 Report Share Posted October 24, 2013 Sounds like your crimp start isn't closed anough so your crimp rod is pushing it sideways rather than down, if you can understand this. Ponsness crimps with only the lightest crimp start, Mec won't. John Quote Link to comment Share on other sites More sharing options...
00buck Posted October 24, 2013 Author Report Share Posted October 24, 2013 ok put more pre crimp on it today but still the same some are ok but some not if I put max pre crimp on it its better but the folds seam to long Quote Link to comment Share on other sites More sharing options...
00buck Posted October 24, 2013 Author Report Share Posted October 24, 2013 I think I have got it right now if I put max pre crimp its ok the crimp is not to bad Quote Link to comment Share on other sites More sharing options...
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