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Author Topic: .45lc .45acp  (Read 666 times)

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Offline freekforge

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.45lc .45acp
« on: July 11, 2012, 05:25:45 PM »
i was playing around with some acp brass and my lc dies and was wondering can you load acp with lc dies i made a dummy and it worked ok in the 1991 but would it work with live ammo?
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Offline Blackhawk44

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Re: .45lc .45acp
« Reply #1 on: July 11, 2012, 07:06:53 PM »
No, because you have no provision for a crimp.  Without some crimp, you run the serious risk of bullet setback in the case during the chambering cycle and a dangerous increase in pressures.  Rather than cut the Colt die to crimp ACPs, its far easier and cheaper to get ACP dies.  With an extra shell holder, it is very easy to use ACP dies to load .45 Colt.
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Offline spinafish

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Re: .45lc .45acp
« Reply #2 on: July 13, 2012, 02:29:33 PM »
My Hornady dies are label for 45 ACP, 45 LC and .45 WinMag.  I have used them for all three.  45 acp and .45 WinMag uses the same shell holder.  You will need a taper crimp die for the autoloading rounds.
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Offline freekforge

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Re: .45lc .45acp
« Reply #3 on: July 14, 2012, 07:21:06 AM »
i bought hornady dies awhile back (i was too impatient to wait for lee ones to be shipped) and they just say .45colt oh well i will just buy some .45acp dies
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Offline helotaxi

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.45lc .45acp
« Reply #4 on: August 14, 2012, 10:50:50 AM »
The Lee FCD take cae of the crimp. The only issue that I see would be that the expander stem might be a bit large since the .45Colt uses a larger bullet and might kill all the neck tension by over stretching the case. If expanded correctly, the .45ACP only needs enought crimp to remove the bell on the case mouth, no more.
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Offline tacklebury

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Re: .45lc .45acp
« Reply #5 on: August 14, 2012, 02:38:43 PM »
Lee FCD for .45 ACP is a taper crimp.  The .45 Colt FCD is a roll crimp.  I use Lee Deluxe .45 ACP dies and they can be used for .45 AutoRim but not .45 Colt. 
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Offline helotaxi

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.45lc .45acp
« Reply #6 on: August 15, 2012, 10:44:09 AM »
Right, sso all he needs is the .45ACP FCD and he's theoretically in business.
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