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Author Topic: .451" or .458" cartridges???  (Read 457 times)

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Offline Alaninga

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.451" or .458" cartridges???
« on: February 09, 2005, 01:47:14 AM »
and this is posted here because Contenders are what I am buying.
QUESTION: what 45 pistol rounds [454 Cas.,,460 S&W etc]are 'what' caliber? .451-.452-, or .458?
I am thinking of building a 45/70 x 1.5",,,but have not kept up with the latest pistol rounds and wondered if any are actually .458 caliber.
thanks.
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Offline Curtis

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.451" or .458" cartridges???
« Reply #1 on: February 09, 2005, 11:48:19 AM »
Since no one has stepped up, I'll give my guesses.  Since the 45/70 is a rifle round, I would imagine that the bullets are .458.  The 454 and 460 are pistol rounds I'm pretty sure so they would probably be .451/.452.

If I sound uncertain, it is because I'm going from what I read only.  I have no first hand experience with either of these cartridges.  Maybe someone else can confirm.

Curtis
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Offline Redhawk1

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.451" or .458" cartridges???
« Reply #2 on: February 09, 2005, 01:43:31 PM »
.451-.452 are for the 45L/C and 454 casull and the 460S&W. The 45-70 is a .458.  :D
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Offline Alaninga

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I was unclear.....
« Reply #3 on: February 09, 2005, 02:05:50 PM »
I want to know if any of the pistol rounds are .458". I know the 45/70 is a .458",,,and I'm guessing it's the 'only one'?
thanks.
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Offline Jamie45

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.451" or .458" cartridges???
« Reply #4 on: February 09, 2005, 09:49:21 PM »
Curtis is rat-on the money... A cruise through my loading manuals confirms that handgunners only shoot 'little' 45's (.452).  The 45-70 and all the big hurking elephant bashers are .458
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Offline Redhawk1

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Re: I was unclear.....
« Reply #5 on: February 10, 2005, 02:37:17 AM »
Quote from: Alaninga
I want to know if any of the pistol rounds are .458". I know the 45/70 is a .458",,,and I'm guessing it's the 'only one'?
thanks.



The 450 Marlin is also .458.  But I have not seen a pistol round at .458.
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Offline 22popnsplat

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.451" or .458" cartridges???
« Reply #6 on: February 10, 2005, 06:39:12 PM »
The BFR revolver I know comes in 45-70 and It may come in 450 marlin but I am not sure .
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Offline buckenbass

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.451" or .458" cartridges???
« Reply #7 on: February 10, 2005, 07:02:00 PM »
"and this is posted here because Contenders are what I am buying. "

If you are looking for contender rounds alot of what has been noted 454.460s&w,450 cant be chamberd in a contender...On the other hand the encore can, and what dose it matter any .458 round can be made into a pistol when ,,,,,so lets see a 10" .458 win mag... :shock:
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Offline 22popnsplat

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.451" or .458" cartridges???
« Reply #8 on: February 11, 2005, 04:58:54 PM »
If thats what you want , Go buy a standard 45-70 barrel and a 458 winchester reamer and have at it. It aint all that hard. You will just need to monitor case head  pressure , even the encore has a limit to the case head thrust that it will handle before the frame gives . Read up on why they wont chammber the short magnums in a encore .
Maybe try the 416 jdj from SSK it may be enough for you and will probally match what the 458 would do from a short barrel.
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