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Shooting 45 Acp out of a 45 LC revolver who needs a cylinder

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indy1919a4
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Shooting 45 Acp out of a 45 LC revolver who needs a cylinder

#1 Post by indy1919a4 » Tue Nov 13, 2018 9:37 pm

Came across this You tube looking for better things.. I never saw this before.. but with some type of wire, this guy shoots 45 ACP like it was 45 Long Colt...

This looks so neat it has to be wrong, Immoral at least Fattening ..

https://www.youtube.com/watch?v=JoVKK02Zrs4

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Re: Shooting 45 Acp out of a 45 LC revolver who needs a cylinder

#2 Post by gi jeaux » Wed Nov 14, 2018 9:15 am

I have seen it done with black "O" rings. It works but, I don't do it.
I would in an emergency though.

Al
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Re: Shooting 45 Acp out of a 45 LC revolver who needs a cylinder

#3 Post by indy1919a4 » Wed Nov 14, 2018 10:02 am

WHy not???

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Re: Shooting 45 Acp out of a 45 LC revolver who needs a cylinder

#4 Post by gi jeaux » Wed Nov 14, 2018 10:38 am

No reason other than I have all of the .45 LC ammo I need and I would only consider shooting like this as an expedient method. If I need to shoot .45 ACP in a revolver I just use my shaved MKVI Webley.
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Re: Shooting 45 Acp out of a 45 LC revolver who needs a cylinder

#5 Post by Ozzman » Wed Nov 14, 2018 6:22 pm

No, I wouldn't do it.
The head spacing issues is enough for me not to even try.
I like my .45 LC's too much to risk anything.

I would rather work up a load for .45 Cowboy Special if I wanted to do it right.
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Re: Shooting 45 Acp out of a 45 LC revolver who needs a cylinder

#6 Post by Smokey » Wed Nov 14, 2018 7:12 pm

The 45 ACP headspaces on the case mouth. The 45LC headspaces on the rim. Not sure there's much in the 45LC chamber to keep the 45ACP case up against the firing pin/hammer during impact. The 45ACP needs a real "shelf" in the chamber for the case mouth to sit against.
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Re: Shooting 45 Acp out of a 45 LC revolver who needs a cylinder

#7 Post by RWS » Thu Nov 15, 2018 6:40 am

In my most humble opinion, the only reason to do this has more to do with the cost of factory .45 Colt ammo vs .45 acp, which is pretty much double for .45 Colt as compared with .45 acp. Use of the correct size O-ring will result in correct headspace. The O-ring will not enter the chamber but will put very slight case head pressure against the recoil shield, resulting in very slight drag but no headspace issues. Again, it all depends on using the correct diameter O-ring with respect to both outside diameter and ring thickness. One downside is reduced hammer impact due to the neoprene absorbing some of the energy. Usually not enough energy is robbed to prevent firing unless the hammer spring is excessively weak.

Ace Hardware stores usually have a good selection of O-rings in numerous sizes.

Having said all that, it seems to me to be a whole lot of trouble to put a wire or O-ring on each cartridge to be fired. If you reload and have any brass on hand then it's usually cheaper to reload .45 Colt ammo than it is to buy factory .45 acp ammo. Just use 230 grain .451" or .452" .45 acp bullets for maximum economy.

Prior to WW2 most .45 Colt groove diameters were .454" but the "norm" for post-war revolvers is .452" so accuracy is normally not an issue with .45 acp bullets.

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Re: Shooting 45 Acp out of a 45 LC revolver who needs a cylinder

#8 Post by indy1919a4 » Thu Nov 15, 2018 12:02 pm

From what I have found, another glitch to this little shooting test is that the max pressure for a 45 LC round is like 14000 psi with the max pressure of a 45 acp is like 21000 psi.. So unless reloaded down you would need to use a revolver that is way over built to accept he higher 45acp pressure.. Maybe like a Ruger ... Hey... I think that is just what the original Youtuber was using if memory serves me..

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