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Old April 11, 2001, 03:04 PM   #1
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I've just started reloading this caliber. I bought a new RCBS die set and noticed that the crimp die does taper crimps. Should I consider getting a roll crimp die or is it something I can live without?
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Old April 11, 2001, 04:02 PM   #2
Mike Irwin
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Roll crimps are really necessary only for the heaviest magnum loads, in my experience.

If you start having problems, get a roll crimp die. Until then, though, use the taper crimp die. Your brass will last longer.
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Old January 2, 2006, 04:30 PM   #3
Daniel BOON
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My favorite caliber

I shoot a 357 revolver (several differ makes). I haven't had much luck with seating/crimping working; soooooo I bought redding roll crimp die and put a healthy crimp on every thing. seems to work for me.......
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Old January 2, 2006, 04:48 PM   #4
Peter M. Eick
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I use a Redding Profile crimper also for 357 mag and really like. I have to admit that it took me until recently to figure out that my 357 mag die is a taper crimp also. I had never used it because of the redding so I did not even notice.
10mm and 357sig, the best things to come along since the 38 super!
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Old January 2, 2006, 04:58 PM   #5
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Which crimp for .357 Magnum?

I have been loading for 35 years and using a TAPER CRIMP for 18+ of thoose years. A taper crimp takes the flare out of the brass. To give you an example:
Unless they dies are LEE or HORNADY, you can remove the decapping stim from the sizing die; readjust the die and you have/are taper crimping.
Adjusting may take a little time....
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Old January 2, 2006, 07:37 PM   #6
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I use Lee dies, and have never had a problem seating and roll crimping at the same time. I roll crimp if the bullet has a crimp groove, tapper crimp if it dosnt. JDG
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Old January 3, 2006, 06:26 AM   #7
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all my revolver crimping

Redding Profile Crimp die; WILL enhance accuracy and consistency; proven.
"all my ammo is mostly retired factory ammo"
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Old January 3, 2006, 09:16 AM   #8
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I use the Lee factory crimp die.I get nice consistant crimps and case length isn't such a problem as it is with regular roll crimp dies.It will also enhance accuracy.Some drive Chevy some drive a Ford

Last edited by RERICK; January 3, 2006 at 04:19 PM.
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Old January 3, 2006, 04:45 PM   #9
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RCBS also makes a three-die set that roll-crimps. You got the wrong set, unless you're reloading for a semi-auto.
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Old January 6, 2006, 06:22 AM   #10
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I currently have 40 die-sets for handgun ('cause that's all I do)

IMNSLE the Redding Profile Crimp die is the finest crimping die for revolver-intended ammo.

I use LEE, Lyman, RCBS, Dillon, Hornady, and Redding dies.
"all my ammo is mostly retired factory ammo"
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