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Old 01-01-2012, 12:47 AM   #1
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Default 1911 SSP chambered for .357 mag?

Ungodly cost aside, the 1911 SSP is a GORGEOUS pistol and i'm a big fan of .357 mag, so i'm sitting here wondering.. Just how amazing it would be to combine the two! Now i've seen 9mm's chambered for 10's and .50's for .357 but i'm not sure of the integrity. Would this be a good plausible idea or just a financial sinkhole compromising the quality of a good gun?

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Old 01-01-2012, 01:07 AM   #2
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Google coonan

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Old 01-01-2012, 01:10 AM   #3
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Quote:
Originally Posted by Secondhand_Hero View Post
Ungodly cost aside, the 1911 SSP is a GORGEOUS pistol and i'm a big fan of .357 mag, so i'm sitting here wondering.. Just how amazing it would be to combine the two! Now i've seen 9mm's chambered for 10's and .50's for .357 but i'm not sure of the integrity. Would this be a good plausible idea or just a financial sinkhole compromising the quality of a good gun?
The only Factory 1911 chambered for .357 Magnum to my knowledge is the Coonan. I believe they run roughly $1100 to $1400, only come with one mag and extra mags are impossible to find.

I've never fired one so I could not attest to reliability but I would guess they are as bad as any auto pistol Chambered for a revolver cartridge.

The rim on the .357 mag case that allows it to not drop clean through the cylinder of a revolver is a big malfunction waiting to happen in any magazine fed pistol where rounds stack and must be able to slide for and aft against one another. AMT tried this with thier Auto Mag line and of course there is the Desert Eagle available in .357, .44, and .50 AE. The .50 AE IS THE ONLY ONE of the Magnum length cartridges that I've been able to fire reliably in both AMT and DE pistols. .357 and .44 Magnums just don't work well in auto's IMHO.

The aforementioned Coonan has gotten favorable reviews but the magazine shortages would relegate it to range gun status. Not that being the only guy on the firing line with a 1911 in .357 mag would not be all kinds off fun.

Tack
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Old 01-01-2012, 02:32 AM   #4
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Quote:
Originally Posted by Tackleberry1

The only Factory 1911 chambered for .357 Magnum to my knowledge is the Coonan. I believe they run roughly $1100 to $1400, only come with one mag and extra mags are impossible to find.

I've never fired one so I could not attest to reliability but I would guess they are as bad as any auto pistol Chambered for a revolver cartridge.

The rim on the .357 mag case that allows it to not drop clean through the cylinder of a revolver is a big malfunction waiting to happen in any magazine fed pistol where rounds stack and must be able to slide for and aft against one another. AMT tried this with thier Auto Mag line and of course there is the Desert Eagle available in .357, .44, and .50 AE. The .50 AE IS THE ONLY ONE of the Magnum length cartridges that I've been able to fire reliably in both AMT and DE pistols. .357 and .44 Magnums just don't work well in auto's IMHO.

The aforementioned Coonan has gotten favorable reviews but the magazine shortages would relegate it to range gun status. Not that being the only guy on the firing line with a 1911 in .357 mag would not be all kinds off fun.

Tack
Okay wow, i didn't even think 1911's came with .357 allowances! That alone kind of excites me! And yeah, i've heard the Desert Eagle MK 1 could chamber .357 and was a helluva shoot but i've never fire one off. Would i be better off with this Koonan or try my hand with the DE's?
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Old 01-01-2012, 02:35 AM   #5
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I think about the only practical advantages the Coonan has over the DE if that it's packable. Yeah, a DE can be carried, but not easily.

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Old 01-01-2012, 02:37 AM   #6
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Why not a .357 SIG in a 1911 (I've built two)? You get nearly .357 Mag revolver ballistics in an autoloader-friendly rimless, bottle-neck cartridge.

Regards,

Walt

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Old 01-01-2012, 03:19 AM   #7
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Given a choice between the Coonan or the DE in .357 Mag I'd personally opt for the Coonan because I know from personal experience that a DE in either .357 or .44 Mag will stovepipe or FTF at least once per mag.

Personally, if I wanted a wiz bang 1911 with power to shame the vaunted .45 ACP, I would look into either the .50 GI or the .460 Rowland. Both of these are loaded in cases intended for automatics so neither has the protruding case rim problem.

Tack

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Old 01-01-2012, 05:10 AM   #8
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Well Walt i'm not big into firing much of anything ahort of .357 mag but i could look into your idea as well! And Tack, i've never fired .460 and .50 is a bit too much for what i'm wanting this particular arm to be. i'm looking for a reliable sidearm that can punch through quite a bit while still being able to be held nearly straight-armed and fired consecutively. Are the .460s relatively low recoil through aidearms? i know the .44 jarred me a little and though it wasn't too much to handle it was still too much for me to be able to cycle through multiple shots quickly and accurately

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Old 01-01-2012, 02:56 PM   #9
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You should google up some video on the .460 Rowland. It's penetration is far better than .45 ACP, "could be on par or exceed .357 Mag", I'm not sure?

The point I'm trying to stress here is that IF this pistol is intended for defensive use and you "simply must have .357 Mag". Buy a REVOLVER. Rimmed Magnum casings simply DO NOT function reliably in auto pistols.

I highly doubt that the .460 would give any more recoil or muzzle flip than a .357 Mag in the same platform and I believe you can mail order .460 Rowland upper conversions for any full size 1911 frame so if you've already got a 1911, your halfway there.

The only dowside I see would be ammo availability with the .460 just begining to catch on, ammo may be hard to find and may make .357 MAG seem cheap to shoot.

You could also search this forum for .460 Rowland posts. There is some good info here.

Good Luck

TACK

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Old 01-01-2012, 03:05 PM   #10
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I've looked at the .460 myself, read many reviews on it. The goal was supposedly the same as the 357 sig, to build an auto cartridge comparable to magnums of the same size, in this case, the .44 mag.

The reviews I've read claim that this round meets or exceeds the .44 mag in all areas ballistically (a claim I haven't verified and don't know how true it is) and claim that the recoil is actually softer than .45 acp, and more accurate. The kit from cylinder and slide (I think c&c anyway) comes with something like a 24 pound recoil spring.

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