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Old 08-12-2012, 10:08 PM
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Default 45 LC and 45 ACP

I own a 25-5 in 45LC-can I shoot 45 ACP's in it using moon clips?
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Old 08-12-2012, 10:15 PM
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Think about it.
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Old 08-12-2012, 10:22 PM
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I'am guessing it's a headspace issue--haven't had the opportunity to shoot a 45 ACP revolver.
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Old 08-12-2012, 10:34 PM
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You can send the cylinder off and have the rear of it machined to add clearance to accommodate the full moon clips and then you can shoot .45ACP and .45 Colt. TK Custom in Illinois is one company that does the work.
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Old 08-12-2012, 11:00 PM
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Yep, I had Mark at Pinnacle-Guns.com: Pinnacle High Performance Custom Gunsmithing do my S&W 625MG and now I shoot both.
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Old 08-13-2012, 11:19 AM
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I HAVE done it, but not in the conventional manner.
Standard half-moon clips loaded with ACP's will not allow the cylinder to close.
Many years ago, I had an old S&W 2nd Model H.E. that had started life as a .455 British service revolver. It had been re-cut to accept .45 Colt like so many have been.
It did OK with mild .45 Colt ammo, but being young, hardheaded and poor I wanted a way to shoot ACP's out of it.
My stepfather, who was a lifer at IBM and had some machining skills, used some existing half moon clips I had as a template and began making thinner versions out of some sort of spring steel.
Not bringing the gun to work, it was a try-this-and-see series of attempts to arrive at the correct thickness for cylinder closure and fitment of loaded rounds against the face of the recoil shield.
Finally got it right, and he made up a couple dozen of the ultra-thin half moons and I shot ACP's out of that gun for years until I got rid of it in a trade.
One I wish I'd kept.
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Old 12-26-2012, 12:15 PM
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Suggest that, if you have the conversion done, as I did, you consider using 45 Winchester Magnum brass loaded to a moderate 45 colt level. I started with low powered loads and worked up with great results. The 45WM's are basically longer, heavy duty ACP's, and work perfectly in ACP moon clips. I will now probably only shoot 45 colt out of this gun out of necessity!
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Old 12-26-2012, 08:08 PM
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How about using .45 auto rim?
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Old 12-26-2012, 08:34 PM
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Or do as I did and have a second cylinder fitted.
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Old 12-26-2012, 08:38 PM
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TK Custom can mill your cylinder so that you can fire both.
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Old 12-26-2012, 09:04 PM
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Quote:
Originally Posted by Mickey D View Post
How about using .45 auto rim?
The AutoRim cartridge has a rim that is the same thickness as .45 ACP in clips, which is too thick to chamber in a .45 Colt cylinder.
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Old 12-27-2012, 06:33 PM
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Default The problem I had shooting ACP's out of my 25-5

was that the long distance between the bullet and the forcing cone caused accuracy problems for me, and even though it has .451 throats, I just could not find a combo that would seal well enough to produce decent FPS rounds; accurate, but in the 700+ range from a round that produced apx 1000 fps out of a 1911. The 45win mag's loaded to 45 colt levels really worked. They are only an 1/8 inch shorter than the colts, and provide quick reloads in moon clips, and no cases trapped under the extractor ala 45 colt/25-5. This combination made the gun for me. Pinnacle did my work, and I had them do several other things while there. It is now one of my favorites.
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