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S&W Revolvers: 1961 to 1980 3-Screw PINNED Barrel SWING-OUT Cylinder Hand Ejectors WITH Model Numbers


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  #1  
Old 02-13-2012, 09:56 AM
66f100 66f100 is offline
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Default Mod 19 convert to 9mm

Hello Has anyone done this. I know you need a cyl. & have it sized for moon clips. Can this bee done? And do they make moon clips for a six shot revolver. Tks
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Old 02-13-2012, 11:00 AM
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Default Try TK Custom

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Hello Has anyone done this. I know you need a cyl. & have it sized for moon clips. Can this bee done? And do they make moon clips for a six shot revolver. Tks
TK Custom can do the work for you. Tom has done two guns for me, and his work is excellent.
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Old 02-13-2012, 02:01 PM
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What parts get replaced?
What parts gets modified?
How is the reliability? Any of those issues seen in the 940?
Anyone want to post a pic?
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Old 02-13-2012, 04:11 PM
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TKS Modle39 I'll take a look at TK.
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Old 02-13-2012, 04:21 PM
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Please don't chop on Combat Magnums. I will go kick a puppy if you do it.
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Old 02-13-2012, 07:06 PM
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Originally Posted by Maximumbob54 View Post
Please don't chop on Combat Magnums. I will go kick a puppy if you do it.
I might be interested. The 19 I have in mind has been parkized so it has no collector value. Would that be ok Bob?
Maybe a beat up 10! Interesting web site. Thanks for the link.
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Old 02-13-2012, 07:52 PM
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S&W made a K frame 9mm called the Model 547 but they are expensive.

Last edited by Engine49guy; 02-13-2012 at 08:30 PM.
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Old 02-13-2012, 08:12 PM
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Also check out Pinnacle-Guns.com: Pinnacle High Performance Custom Gunsmithing Mark is an excellent pistol smith, I have had him do a few things for me.
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Old 02-13-2012, 08:25 PM
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I agree pinnacle does great work. I believe a model 10 would be a better choice. A real challenge is a 40 s&w k frame.
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Old 02-13-2012, 08:39 PM
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And please don't forget that S&W put a special firing pin/limit pin arrangement on the M547 to eliminate the high-pressure 9mm from extruding primers into the firing pin hole.

It's not just a matter of machining the cylinder to accept moon clips and you go bopping away to the range.
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Old 02-13-2012, 08:49 PM
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Originally Posted by Maximumbob54 View Post
Please don't chop on Combat Magnums. I will go kick a puppy if you do it.
Now dats a true S&W man!!
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Old 02-13-2012, 08:52 PM
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The retainer pin on the 547 is prevent the case from backing out of the chamber upon firing. It strikes the case head about the same time as the firing pin strikes the primer. In the photo, you can see where the retaining pin struck and left a mark on the case head. The 9 mm case is tapered and has a tendency to back out. In revolvers chambered for pistol cartridges that use a moon clip, the other cartridges attached to the moon clip prevent the fired case from backing out.

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Old 02-13-2012, 09:02 PM
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Quote:
Originally Posted by Engine49guy View Post
S&W made a K frame 9mm called the Model 547 but they are expensive.
Agree with this ... And to not chopping on combat magnums.
I'll kick the wife.....JK JK



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Old 02-14-2012, 07:49 AM
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Good pics, Tekarra, always wondered if the retaining pin pinged the brass (not that it matters to me).

Have finally taken your advice when I discovered I would not be able to bring back my 1917 (a rather sad story that will make people dislike the BATF even more than they may already), my local shop (Mainz) actually got a NIB 547, complete with box and papers:





I've reserved it, will take weeks, perhaps even months to get the licenses straightened out, but essentially it's mine now, can't wait to get it and fire it. It will add up to about $950 in the end, while not a great deal in the US, it's a phenomenal deal here in euro-world. A collector owned it and never fired it (collectors in Germany aren't allowed to shoot weapons, just keep them in safes ). Once I get it, it'll mean I will own one on each continent, oboy.

As a sidenote that kind of interesting, here's the patent info that came from that old article from vintage pistol range reports: United States Patent: 4127955
Makes for some interesting reading, I think.

In the spirit of this thread, I'm still thinking about a 9mm conversion but for a M64 or M65, keep wondering which one, if either, would work out better. Anyone done a conversion for either one? Would like to hear if there are accuracy issues with bore diameter. I wonder if there is actually any difference in bore diameter for the 547 and M10/13/64/65, etc. The two bullet diameters are so close, I wonder if S&W didn't just take M10 barrels and re-stamp them. Have been looking at that TK custom site for awhile thinking about it.
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Old 02-14-2012, 08:55 AM
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Nobody's choppen a combat magnum. If you read my 1st post I stated about getting a 2nd cylinder to do the work on. Then you switch out cylinders. I've been looking at the 547's $$$$$$$$$$. So I'm looking into alternative,s. It would be nice to have a 9mm revolver that,s in the k frame size. I know I'd shoot my 19 more.
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  #16  
Old 02-14-2012, 09:58 AM
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I love the 547, but I also really like the idea of a convertible revolver even more, like the way Korth does or Ruger with the Blackhawks. A member around here has a special issue 547 with a covertible cylinder. Would like to hear or see your end result or who you go with to do the conversion. Still thinking about a M65 conversion more and more.
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Old 02-14-2012, 10:01 AM
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Quote:
Originally Posted by Blue19 View Post
What parts get replaced?
What parts gets modified?
How is the reliability? Any of those issues seen in the 940?
Anyone want to post a pic?
TK Custom machines the existing cylinder to accept 9MM's with full moon clips. You will still be able to fire 38 and 357 ammo out of it using full moon clips. If you are looking for a custom gun, and your gun has no real collector value, this conversion will give you alot of shooting options.
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Old 02-14-2012, 01:22 PM
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Quote:
Originally Posted by Model39 View Post
TK Custom machines the existing cylinder to accept 9MM's with full moon clips. You will still be able to fire 38 and 357 ammo out of it using full moon clips. If you are looking for a custom gun, and your gun has no real collector value, this conversion will give you alot of shooting options.
Because the chambers will be tapered with a larger inner diameter after the conversion you won't want to shoot .38s and .357s out of it. The standard pressure .38s will bulge and +Ps and .357s will split the cases, fire forming them to the chambers and making extraction very difficult.
I have a 9mm J-frame customized by Pinnacle, Mark has a warning about this on his site. I've tried it and it's true.
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Old 02-14-2012, 01:31 PM
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I've thought about doing the same thing with a magnum J frame. If you can get a complete cylinder/crane assembly it would be easy to swap 'em back and forth. I'm not so much interested in carrying my J with 9mm as much as I'd like the ability to use 9mm if needed. You never know what the future's gonna bring and having that ability can mean the difference between having a loaded or an empty gun.
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Old 02-15-2012, 07:43 AM
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I feel at least a little better that we are talking about chopping a spare cylinder and not on an original Combat Magnum from whatever era. I was out stalking puppies waiting for what the final word would be...
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Old 02-15-2012, 08:02 AM
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Quote:
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I feel at least a little better that we are talking about chopping a spare cylinder and not on an original Combat Magnum from whatever era. I was out stalking puppies waiting for what the final word would be...
You are so bad...lol.
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Old 02-15-2012, 09:11 PM
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Hello M2MG,
Congrats on your new 547, you were at the right place at the right time. Too bad about the long wait time. Thanks for the link, it is an interesting read.

The pinged brass is of no consequence and if you look carefully at the photo, you will see multiple pings on some of the cases. Yes, I am a reloader.

I have thought about converting a 64 or 65 to 9mm but have not moved forward with it as yet. The cylinder would have to be recessed to accomodate the moon clip, hence the statement about the 19 with a recessed cylinder.

The discussion on different bores for the 9mm revolvers and the .38 and .357 has been discussed on this forum previously. I have no information from S&W, but when one considers the 9mm bore to be either .355" and the .38/.357 to be .357", that is only .0005" difference on the radius. Would S&W tool up for that? I don't know, but then I don't know their operation. Anyway, it makes for a good discussion.
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Old 02-15-2012, 09:17 PM
Decker Decker is offline
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Quote:
Originally Posted by M2MikeGolf View Post



I've reserved it, will take weeks, perhaps even months to get the licenses straightened out, but essentially it's mine now, can't wait to get it and fire it.
That pic makes me wonder about the geneology of that model because the cylinder sure looks longer than it needs to be for 9mm.
To me, it looks like a standard .38 Special cylinder.

The reason it's interesting is because of the common topic of shooting .38's in .357 cylinders and how it can build up a powder ridge infront of the .38 case in the cylinder.
So I'm wondering if the same "problem" applies to the revolver in the pic that shoots 9mm, but in what looks like a .38 special cylinder.
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Old 02-15-2012, 11:10 PM
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Quote:
Originally Posted by Decker View Post
That pic makes me wonder about the geneology of that model because the cylinder sure looks longer than it needs to be for 9mm.
To me, it looks like a standard .38 Special cylinder.
The reason it's interesting is because of the common topic of shooting .38's in .357 cylinders and how it can build up a powder ridge infront of the .38 case in the cylinder.
So I'm wondering if the same "problem" applies to the revolver in the pic that shoots 9mm, but in what looks like a .38 special cylinder.
The cylinder's overall length is the same as a .38spl but it is chambered for the 9mm and the round headspaces on the case mouth so no concern about residue build up making the gun difficult to load. The chambers will not accomodate .38s or .357s.
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Old 02-16-2012, 05:41 AM
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Quote:
Would S&W tool up for that?
I wouldn't think so, wouldn't think it would be different enough to make such a big difference. I once saw some discussion about the difference between the M1909 and M1917 having different bore size and twist rates, but I've never seen anything that indicated that S&W (and Colt) changed anything about the barrels, other than the cartridge stamping, which I think is the same. It's just a curiosity that's "academic", although some will claim (and they may well know what they are talking about) accuracy issues. However, as a handloader, I am sure you well know it often has more to do with the load that diameter issues. Really looking forward to this 547. You know I have to be pretty desperate for one that I would trade a 1917 for it, especially when I already own one. I just wish it could have been a 3" RB, my hope is when I return to the US, someone will be willing to trade me one for one (3" for one of my 4"). Obviously, my stateside 547 is going to stay NIB.

Thanks for the explanation to Decker, WC145, you beat me to it. I'm pretty sure the gene pool on my new 547 is clean, but Decker brings up a common concern.
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  #26  
Old 02-16-2012, 09:16 PM
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Decker,
Do you have access to SCSW? Go to the 547 section and read about the 547M. I don't have my own copy, so I am going by memory, but S&W took some 547s and fit them with .357 cylinders. They were not released to the market though.

There was a post here a short time back where someone fit either a .38 or .357 cylinder to a 547. Interesting stuff.
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38spl, 547, 940, cartridge, colt, j frame, k frame, korth, m1917, m65, model 10, model 19, model 1917, model 39, model 65, model 66, primer, recessed, ruger, scsw

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