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RCBS Carbide 3-Die Set has a Sizer Die with Decapping Unit, Expander Die for expanding and belling the case mouth and a Seater Die for seating and crimping the bullet,
If you plan to shoot plated bullets you may need the taper crimp die.
I can turn it, but not remove it,
The neck tension should prevent you from turning the bullet. The taper crimp is to close the flare, not really increase the bullet hold. A roll crimp into a cannelure groove, is to prevent the primer from starting the bullet out of the case on the slow burning hard to ignite powder like H110 W296. You have something else going on.
Something doesn’t sound right. Are you turning the seater/crimper down far enough in the press? It doesn’t sound like the sizer is sizing the brass down far enough to grip the bullet also. I wonder what the diameter of your bullets is?OK and thanks. The taper die will not taper enough to grasp the bullet.....I can turn it, but not remove it, with my fingers. I am doing something wrong with seating die for sure as I can't get it to roll a crimp in the cannelure at all. This is all the same dies that I loaded successfully with 35 years ago. I am trying to do this for a friend.
Always seat the bullet and crimp in two separate operations.
OK and thanks......does this mean seat the bullet, remove the seater stem, AND then roll crimp?
Just raise the seater stem and then crimp, you do not want the seater stem pushing on the bullet while crimping.
And if you want all the crimps to be the same then trim all the cases to the same length.
+1 the neck tension should hold it very tight... I have loaded a bunch of .38 for my wife.. I use Win 231 just because I have it for 9mm and it's position sensitive because I use so little down loading it for a Ruger LCR because it's very light weight pistol for practice rounds , so a good crimp is necessary or you will get unburned powder everytime especially using S/B primers... I am using Berry bullets , win 231 , any good primer and a Lee FCD...The neck tension should prevent you from turning the bullet. The taper crimp is to close the flare, not really increase the bullet hold. A roll crimp into a cannelure groove, is to prevent the primer from starting the bullet out of the case on the slow burning hard to ignite powder like H110 W296. You have something else going on.