roll and taper

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fullmag

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just purchased a 4 die set of hornady dies for . 454 casull and was wonndering why it came with a taper crimp die and a roll crimp/seater die?
 
???
Maybe the taper-crimp die is for use with Single-Shot rifles & pistols like the Thompson Center Encore??

Or if it has a bullet seater function, you can seat with it and not crimp, and then crimp with the roll-crimp die.

They got the sale & extra money out of you for it though, didn't they!

rc
 
I recently got the same set. The extra crimp die is labeled "TC" which I thought meant taper crimp, but it will definitely form a roll crimp if adjusted correctly. If I remember tonight or tomorrow, I'll post some pics of crimps I've done with it.
 
the taper crimp doesnt have a seater in it so if I want to roll crimp still have to use seater with roll crimp. I tried the one thats marked tc and it looks like a standard taper to me? and yes they got the extra money out of me.
 
Have you tried taper crimping into the cannelure? It's fun.
 
Taper crimping into the cannelure. That's a good one. Reminds me of the old adage to never put anything in your ear except your elbow, but not nearly as helpful. The OP is a brand new reloader. Why yank him around?

Calling Hornady and discussing with them is the correct course of action.
 
I'm not yanking him around. Taper crimping into a cannelure is just as effective as roll crimping into a cannelure.
 
I use a taper crimp for plated bullets, I check the COL of the last round in the cylinder for bullet jump. This gives me an idea of the load limits for plated bullets with the taper crimp.

I have cut the plating using a roll crimp so I like the taper crimp die option.

Just because you have a 454 casull doesn't mean you can't load it like a 45 LC.
 
When one begins to turn the case mouth into the cannelure, the crimp ceases to be a taper crimp and becomes a roll crimp.

A taper crimp die can be handy if you want to use cast or jacketed bullets that don't have a cannelure or definite crimp groove, particularly with relatively light loads using these bullets. You can do this with a roll crimp die (set for "no crimp") but it just doesn't work as well. Otherwise, the roll crimp is the ticket with heavy loads using bullets that do have a cannelure or definite crimp groove. The extra die is kind of nice considering the $70-$90 cost of the set. I'd still discuss the process with the folks at Hornady and let them guide you.
 
I'm not yanking him around. Taper crimping into a cannelure is just as effective as roll crimping into a cannelure.
I agree. A heavy taper crimp works just fine with a jacketed bullet. You have to experiment a little as to how much.
 
If you are loading for lever-action rifles -or- should I say tube-magazine type of firearm you MUST be able to roll crimp your finished cartridge.
Taper crimp most everything else can equate to less unneccessary working of the brass.
 
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