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Old November 5, 2009, 04:35 PM   #1
rodwhaincamo
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44 Mag through 445 Super Mag

I read somewhere that you cannot or should not fire 44 Mags through a 445 Super Mag because they are made from 444 Marlin brass. I'm guessing there is more room for expansion in the chamber? I intend to reload soon and don't want to over stretch my brass. I was hoping to get a Contender rifle barrel chambered for 445, but shooting primarily mags.
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Old November 5, 2009, 05:27 PM   #2
goodspeed(TPF)
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I have shot many .44s out of .445 super mag chambers. Aint that the whole point?
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Old November 5, 2009, 06:12 PM   #3
Winchester_73
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Quote:
Other super magnums

There have been other cartridges that were created by extending the length of existing magnum cartridges. Some of these are:

* The .327 Federal Magnum, based on the .32 H&R Magnum
* The .357 Remington Maximum, based on the .357 Magnum and virtually identical in dimension to the .357 SuperMag
* The .444 Marlin, a rifle round based on the .44 Magnum

Based on the .44 Magnum cartridge, a revolver designed for the .445 SuperMag can also fire .44 Magnum, and .44 Special rounds.
http://en.wikipedia.org/wiki/Super_magnum

The bullet diameters are also the same at .429, so I see it as safe to fire the 44 mags thru the 445. The 445 super mag is almost worthless if you can't fire 44 mag through it as well.
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Old November 5, 2009, 10:08 PM   #4
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Who ever added that info at Wiki was wrong about the .444 based on the 44mag. The .444 Marlin was initially modeled after a strengthened and elongated .45 Colt, which was then tapered down to hold .429" slugs. When .444's are blown straight they hold .452-.454" slugs - which is then called the .450 Mongo.

The .445SM is an elongated .44Mag. Using .44mags in a .445SM is just like using .38spl's, 357mag, and 360DW's in a 357Max. The only concern to be had is the build up in the chamber.
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Old November 5, 2009, 10:36 PM   #5
laytonj1
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From John Taffins' "the 445 Supermag" before 445 brass was available.
Quote:
it used .444 Marlin brass cut to 1.600", and this brass being larger in diameter than .44 Magnum brass, was swaged and turned on a lathe until it matched .44 Magnum dimensions. The reason, of course, was to also allow the use of the shorter .44 Magnums in the same cylinder.
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Old November 6, 2009, 12:14 AM   #6
Winchester_73
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I realized I shouldn't have quoted the Wiki article thinking what if the info is wrong. I copied and pasted that info, and of course, it was wrong. My apologies. I'm glad someone could set the record straight.
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Old November 6, 2009, 12:55 AM   #7
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That's the main problem with Wiki...it's information entered by individuals & packaged as something that can be easily construed as fact. I swear the larger the internet grows, the more diluted the facts become.

Anyway, these guys set you straight...just don't let it happen again. LOL!
For an image comparison, here's the four Super Mags in a row...and yes, the cases are all the same length.
.357 Maximum (SuperMag) / .375 SuperMag / .414 SuperMag / .445 SuperMag




And as sort of a size comparison, here they are with other standard chamberings I had on hand.
.357 Mag / .357 SM / .375 SM / .414SM / .44 Mag / .445SM / .454 Casull

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Old November 6, 2009, 12:29 PM   #8
knight0334
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Winchester_73,

Please don't take my reply as to criticizing you personally, it was aimed at the person who added the info at Wiki.

While that places has lots of accurate tid-bits, it often has incorrect info too.
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Old November 6, 2009, 03:20 PM   #9
rodwhaincamo
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Game on

for a 445 Sup Mag Contender barrel! Thanks guys!
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Old November 30, 2009, 09:58 PM   #10
seasterl
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I'd sure love to find some 375 Super Magnum brass somewhere. My cousin gave me a set of Redding dies for that caliber, and I was going to return them to Redding for some cleaning / polishing and then order up an Encore barrel in 375, but I can't seem to find brass anywhere. Now I did score some 445 brass and plan to move forward on it.
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Old December 16, 2009, 06:47 PM   #11
375Holland
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.375 Super Mag.

To the best of my knowledge, there has NEVER been brass available headstamped .375 Super Mag. You have ALWAYS had to make your own brass from either .375 Winchester or .30-30 Winchester brass. You have to shorten them to 1.610" and thats IT!
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Old December 16, 2009, 09:07 PM   #12
seasterl
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Thanks for the info, 375. I know that there are some really nice bullets that could be fired in a .375 SM / Encore platform,,... probably better than the other cartridges in the SM lineup.
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Old December 18, 2009, 04:10 PM   #13
johnwilliamson062
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uhhh... why don't one of you fix the Wikipedia article...
Throw in a decent citation.
I would, but I have no idea what you are talkng about(why I am reading the thread
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Old December 27, 2009, 10:41 PM   #14
hyvltge
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I missed these (damn it), but here is an example of the 375 SM stamped
brass.
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