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Old July 23, 2011, 06:23 PM   #21
mehavey
Senior Member
 
Join Date: June 17, 2010
Location: Virginia
Posts: 6,896
Quote:
slammedsi's pic:


That bullet is seated waaaaaaaaay (way) too deep. (and the crimp is borderline to where the mouth might miss the headspace step in the chamber.) Forget any OAL issue for now and use this seating profile below:



Screw the seat/crimp die body down [only] enough to pass the 'plonk' test and you should be good to go.


BREAK BREAK:
Just for grins, I went downstairs and loaded a couple of dummy rounds with some ProofMark 185 SWC's that I dug out of the back room here in VA. (Last week's 1911 loading session with my son had been up at Ft Lewis.) If anything was going to be trouble w/ the very tight 1911 I rebuilt to comp standards three years ago, those short-nosed 185's were going to be it.

bottom line was slick-as-a-whistle chambering.

Note the sliver of lead left exposed at the shoulder and the absence of noticeable crimping angle. Everything is squeezed it, but left flat. The secret is that exposed lead shoulder which effectively guides and lubricates the bullet's turn from the magazine angle to the straight-in chamber.

I say again.... IGNORE any OAL dimensions and seat as shown.

Last edited by mehavey; July 23, 2011 at 07:41 PM.
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