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braindead0 · September 29, 2002, 07:59 PM

I just switched to a profile crimp, it's a bit odd in that you can't see much roll crimp on it due to the fact that it tapers first (.357's). I've heard many good things about it, get excellent accuracy as well. Haven't checked velocity SD yet.

I think the theory is that a bit of taper crimp prior to the roll makes sure the bullet is in full consistant contact with the case for good ignition.

September 29, 2002, 07:59 PM	#2
braindead0 Senior Member Join Date: February 28, 2002 Location: Canton, Oh Posts: 896	I just switched to a profile crimp, it's a bit odd in that you can't see much roll crimp on it due to the fact that it tapers first (.357's). I've heard many good things about it, get excellent accuracy as well. Haven't checked velocity SD yet. I think the theory is that a bit of taper crimp prior to the roll makes sure the bullet is in full consistant contact with the case for good ignition. __________________ DoD# 2223 Meum scapha volitare plenum anguillae