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#1 |
Junior Member
Join Date: April 16, 2010
Posts: 2
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crimping 9mm
is it that important?
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#2 |
Senior Member
Join Date: October 25, 2008
Location: Pittsburgh, PA
Posts: 547
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Any semiauto handgun cartridge that headspaces on the case mouth should be taper crimped. So yes, it is important.
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#3 |
Senior Member
Join Date: January 7, 2000
Location: Idaho
Posts: 6,073
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And any seater die for 9mm (that I know of) will do the taper crimp thing. Follow the directions that came with the die. And don't crimp any more than necessary to take the flare out. Over-crimping is bad juju.
__________________
I am Pro-Rights (on gun issues). |
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#4 |
Senior Member
Join Date: November 17, 2008
Location: NW Ohio
Posts: 1,399
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@DaveR
Dillon seating dies do not have a taper crimp function. They include a taper crimp dedicated die in their 3 die sets. |
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#5 |
Senior Member
Join Date: January 26, 2009
Posts: 654
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I alway follow up with a crimp die. I'm using the Lee factory crimp die with an RCBS 9mm die set.
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