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Posted: 1/21/2021 2:17:10 AM EDT
So first off I know I can't just stick a 9mm round in the cylinder and fire. What I'd like to know is there anyone out there that makes cylinder so that you can have a multi-caliber weapon? I know Taurus has a few weapon that have that option but would like to look at the idea of maybe doing that for the wife's Security 6.
Link Posted: 1/21/2021 2:19:53 AM EDT
[#1]
Korth makes and sells both cylinders with their .357s (some as options).  Buy us both Korth revolvers so we can try them out.  I hear they are pretty swell!
Link Posted: 1/21/2021 2:45:27 AM EDT
[#2]
No not really.  Just shoot 38 specials out of it.
Link Posted: 1/21/2021 2:53:39 AM EDT
[#3]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Korth makes and sells both cylinders with their .357s (some as options).  Buy us both Korth revolvers so we can try them out.  I hear they are pretty swell!
View Quote

A revolver in 327 would give you more caliber options.
Link Posted: 1/21/2021 6:43:51 AM EDT
[#4]
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Quoted:
Just shoot 38 specials out of it.
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Link Posted: 1/21/2021 8:06:56 AM EDT
[#5]


Ruger makes a Blackhawk Convertible .357/.38 & 9mm.  It comes with two cylinders, due to the difference in head spacing between the pistol and revolver cartridges.
Link Posted: 1/21/2021 8:47:51 AM EDT
[#6]
You can find used cylinders in 9mm on ebay. May or may not fit.
Link Posted: 1/21/2021 10:07:03 AM EDT
[#7]
9mm is tapered and has a larger diameter at the base than at the mouth. The 38/357 family is straight walled.
I guess there have been some engineering work arounds in the past to allow multiple calibers in a single cylinder but for practical purposes a conversion cylinder would be required. Another option is to send it out to TK customs and have them recut the chamber to 9mm and for moon clips.
Link Posted: 1/21/2021 11:25:44 AM EDT
[#8]
They used to make a revolver designed to do this.  

Maybe Medusa?  

It is long discontinued


Edit:  found it


Phillips & Rodgers M47 Medusa: Multicaliber Revolver for a Nonexistent Apocalypse
Link Posted: 1/21/2021 11:53:15 AM EDT
[#9]
TK Custom will machine most S&W 38/357 revolver cylinders to a hybrid chamber that will also work with 9x19mm.  When completed you will be able to shoot 9mm on moonclips and 38/357 mag with or without moonclips.  The only caveat is that if you shoot 9mm +P or super-hot 357 Magnum you might have extraction problems.

https://tkcustom.com/services/9mm-rechambering

Sort of pricy though...
Link Posted: 1/22/2021 1:26:41 AM EDT
[#10]
The US Air Force converted some M15 S&W revolvers to where the would shoot either 9mm or .38 Special out of the same cylinder back in the 1970s.  They wanted to convert to a 9mm pistol for their Security Forces airmen, but they didn't have the money to buy a new handgun.  They eventually abandoned the idea due to poor accuracy with 9mm in the converted guns.
Link Posted: 1/22/2021 11:15:39 AM EDT
[#11]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
The US Air Force converted some M15 S&W revolvers to where the would shoot either 9mm or .38 Special out of the same cylinder back in the 1970s.  They wanted to convert to a 9mm pistol for their Security Forces airmen, but they didn't have the money to buy a new handgun.  They eventually abandoned the idea due to poor accuracy with 9mm in the converted guns.
View Quote

Other than the logistics, which are overcomeable, this is probably the biggest issue.

9mm = .355" bore
38/357 = .357" bore

Not that a 9mm projectile will just rattle down the barrel but it is not quite a tight enough fit to promote great accuracy.

It is the same situation as 22lr and 22 mag out of the same revolver. There are guns that will do it. I have a SingleSix with both a 22mag and 22lr cylinder. The barrel is bored for the 22mag with a .224" bore thus it has mediocre accruracy with 22lr that typically uses a .223" bore.
Link Posted: 1/22/2021 5:38:26 PM EDT
[#12]
Your best bet is getting the convertible Ruger Blackhawk, you get one cylinder that will fire 357 and 38 and another cylinder that will let you shoot 9mm.
Link Posted: 1/23/2021 12:44:57 AM EDT
[#13]
There is also the Taurus 692 with interchangeable .357 mag and 9mm cylinder and crane assemblies. I was leery before I bought it, but it's turned out to be one of the best built Taurus revolvers I ever owned. Build quality, tolerances, lock up, fit n finish are seriously outstanding at least on my particular unit. It's beastly built and almost over built. Of the last several gun purchases including Ruger, S&W, and others, this Taurus surprised me as being nearly perfect in not seeing, or experiencing/finding any flaws. I actually like it a lot more than I had even expected.


Link Posted: 1/23/2021 1:14:15 AM EDT
[#14]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
There is also the Taurus 692 with interchangeable .357 mag and 9mm cylinder and crane assemblies. I was leery before I bought it, but it's turned out to be one of the best built Taurus revolvers I ever owned. Build quality, tolerances, lock up, fit n finish are seriously outstanding at least on my particular unit. It's beastly built and almost over built. Of the last several gun purchases including Ruger, S&W, and others, this Taurus surprised me as being nearly perfect in not seeing, or experiencing/finding any flaws. I actually like it a lot more than I had even expected.


https://i.imgur.com/qYwtRCZ.jpg
View Quote


I have the same 3" version 692 in matt black. Shoots all 9mm, 357 and 38 special rounds with no issues and equal accuracy.

The fit, finish, tolerances and lockup are excellent all around. Its nice having the multicaliber interchangeability.
Link Posted: 1/23/2021 1:36:46 AM EDT
[#15]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
https://www.ar15.com/media/mediaFiles/129976/AD49F5AF-1494-4D9C-847B-2D0F0670507A-1363928.jpg

Ruger makes a Blackhawk Convertible .357/.38 & 9mm.  It comes with two cylinders, due to the difference in head spacing between the pistol and revolver cartridges.
View Quote

I own one.
Link Posted: 1/23/2021 10:15:32 AM EDT
[#16]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
There is also the Taurus 692 with interchangeable .357 mag and 9mm cylinder and crane assemblies. I was leery before I bought it, but it's turned out to be one of the best built Taurus revolvers I ever owned. Build quality, tolerances, lock up, fit n finish are seriously outstanding at least on my particular unit. It's beastly built and almost over built. Of the last several gun purchases including Ruger, S&W, and others, this Taurus surprised me as being nearly perfect in not seeing, or experiencing/finding any flaws. I actually like it a lot more than I had even expected.


https://i.imgur.com/qYwtRCZ.jpg
View Quote
I've thought about buying one of those from time to time.  The way they swap cylinder assemblies seems ingenious.
Link Posted: 1/26/2021 9:03:12 AM EDT
[#17]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
https://www.ar15.com/media/mediaFiles/129976/AD49F5AF-1494-4D9C-847B-2D0F0670507A-1363928.jpg

Ruger makes a Blackhawk Convertible .357/.38 & 9mm.  It comes with two cylinders, due to the difference in head spacing between the pistol and revolver cartridges.
View Quote


Every time you post that pic, I check to see if Flattops are in stock anywhere. For now my Ruger 0308 will do but I do need a stainless Flattop.
Link Posted: 1/26/2021 12:08:48 PM EDT
[#18]
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Other than the logistics, which are overcomeable, this is probably the biggest issue.

9mm = .355" bore
38/357 = .357" bore

View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:

Other than the logistics, which are overcomeable, this is probably the biggest issue.

9mm = .355" bore
38/357 = .357" bore



Incorrect. Both 9mm and 38/357 have the same groove dimensions of .355" + .004".
SAAMI specs

Barrel specs of 9mm and 38/357 that I have slugged are no different.

Quoted:

Not that a 9mm projectile will just rattle down the barrel but it is not quite a tight enough fit to promote great accuracy.


Accuracy of 9mm bullets is fine since they have the same barrel specs. In my Blackhawk conversion with a .3577" groove diameter barrel a 9mm .355" bullet handload shot 24 rounds into 1.40" at 25 yards fired from a Ransom Rest.

Accuracy with factory ammo was the same for 9mm, 38 Special and 357 Magnum.
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