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Speak for yourself buckshot. I like a little dirty talkSince males are visually stimulated....
In a pistol/revolver set the 4th die is usually just a crimping die. Some folks like to seat and crimp in separate steps and the 4th (crimp only) die just makes it easier if you have a 4 hole turret or progressive press. If you have a single stage you really don't need the 4th die because you can just seat without crimping with the third die and then set the 3rd die to crimp in a 4th pass after the projectiles have been seated. I like to seat and crimp in separate steps with my revolvers (especially when seating and crimping soft lead projectiles) and the roll crimp; with autos and the taper crimp it usually isn't as difficult to get a good crimp vs seating. The factory crimp die in the Lee sets does a nice job either way so it's a nice to have option from the 4 die sets.What is the extra die for in a 4 die set vs a 3 die set? I'm looking into reloading 223 and 9mm and just wondering if it's really worth it to get the set with more dies.
Revolvers use a 3 die set for seating and roll crimp in one die. Semi auto pistols require a taper crimp in 2 different dies.
One seater die and one taper crimp die.
Dillon sells magnum pistol dies in set of 3 and semi auto pistol dies are a 4 set. Taper crimp for a revolver?Some prefer a taper crimp alone rather than a roll crimp in the same operation of seating the bullet.
I have both and use them depending on how I want to prepare my loads.
You can get a separate taper crimp die for revolvers if you are shooting non cannelure projectiles like some of the plated brands. They help keep the plating from being shaved. I have one for .38/.357. Lee Precision sells them. I also have a collet crimper I use for .357 it works quite well.Dillon sells magnum pistol dies in set of 3 and semi auto pistol dies are a 4 set. Taper crimp for a revolver?
What caliber? I have always used a heavy roll crimp for 357 or 44 magnum.
I don't think you'll be disappointed with a four die set. To me for the price difference if you're buying lie it's worth it.At this point I only have semi autos so it looks like the 4 die set would be best