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k-22 mag cylinder conversion

Discussion in 'Handguns: Revolvers' started by benstolen, Mar 15, 2012.

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  1. benstolen

    benstolen Member

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    can anybody give me a link or info on adapting a mag cylinder to a k-22
     
  2. SaxonPig

    SaxonPig Member

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    No can do. The bore dimension is different. The 22 WMR uses a slightly larger diameter bullet so shooting 22 Mags in a barrel bored for the 22 LR is a no go. The guns with two cylinders have Magnum barrels to avoid the over pressure problem. Sorry.
     
  3. Wil Terry

    Wil Terry Member

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    Balogna !!!
     
  4. rcmodel

    rcmodel Member in memoriam

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    Not Balonga.
    It's true.

    The Model 17 was never available from S&W with a .22 WMR conversion cylinder & crane.

    The Model 48 .22 WMR was available with a .22RF conversion cylinder & Crane though.

    The Model 17 .22 RF uses a .217" bore .222" grove dia.

    The Model 48 .22 WRM uses a .220"? bore .224" grove dia..

    rc
     
  5. CraigC
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    CraigC Member

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    No, it's actually balogna. If it were true, we would have never seen .44Spl/.44-40 convertibles with proper .44-40 bores. That slight bit of difference is irrelevant. Pressure will remain unchanged.
     
  6. Radagast
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    Radagast Contributing Member

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    True, but you will never see a K22/ Model 17 factory conversion, only the Model 48 was available as a factory conversion. Ditto the Ruger Single Six, it uses the magnum barrel.
     
  7. Ron James

    Ron James Member

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    On the conversion revolvers such as the Single Six they split the difference on the bore diameter so the 22Mag will slug down and the 22 Long rifle will expand to fill the rifling. However on most single Six with a convertible cylinder the gun will shoot more accurately with the .22 mag than with the .22 long rifle. I can assure you that it is not Bologna. On a firearm such as the K17, if you could modify a cylinder to work on the gun, it would be a bad ideal. The gun may not blow up but you would have a heavily leaded barrel in a very short time and that is no way to treat a lady.:banghead:
     
  8. CraigC
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    CraigC Member

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    It is pure balogna, .22LR's get rechambered to .22Mag all the time. How is a .22Mag gonna lead the bore anyway??? In centerfires, cast bullets are sized for the chamber throats, not the bore size. Which is why we may shoot bullets as large as .457" down a .451" bore. Yours is an interesting theory but in reality, it is pure bunk.
     
  9. Ron James

    Ron James Member

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    :) What ever floats your boat.
     
  10. bergmen

    bergmen Member.

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  11. CraigC
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    CraigC Member

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    Might be worthy of note from the SAAMI drawing that the .22LR bullet is actually larger than the .22Mag's.
     
  12. The Old Redneck

    The Old Redneck Member

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    I have listened to this for years about Ruger Single Six revolvers usually. We slugged the barrels that were out of the guns on both old and new model Single sixes. Then slugged Ruger, 10/22, 77/22, and the 96 lever actions. Also the 77/22 mag barrel and 10/22 mag barrel. The Single Six barrels were the same average size as their 22 long rifle barrels. I have a Single Six custom with a 15" barrel that was a 10/22 long rifle barrel. The bad/sloppy groups from most of these guns comes from alignment problems with the cylinder and barrel. A Smith mod 18 that had been rechambered to 22 mag shot great. Years ago before the 17 HMR or HM-2 a barrel was made called a swagger. It was a 17 caliber,.172, chambered for 22 long rifle with a long tappered lead/throat. They needed to be around 22" long and have a 1 in 9" or faster twist. The bullets came out a long 17 caliber and were very accurate. An article was in Precision Rifle about them. I have owned several. The CCI Stingers with the lighter bullet than the 36 to 40 grain hollow points were extremely accurate at 100 yards. You have also had custom Smiths reworking Ruger Single Six revolvers to centerfire and Bearcats to 22 mag for years. I think this has been repeated as "Fact" about bore size by so many, for so long that it has become a fact for many. Yet when the barrels are slugged and measured on Rugers and a few others it doesn't hold up. I believe what I do because of doing the measurements. You can believe what you want for whatever reason. Smiths do run tighter barrels. The 22 Jet they had used a .222 bullet instead of a .224, some think this is where a lot of this came from, maybe?
     
    Last edited: Mar 16, 2012
  13. PabloJ

    PabloJ Member

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    If you find Model 48 cylinder you can "throw it" on Model 17 or Model 18 revolver BUT the barrel bore specs are likely going to be different. I know in America making rather liberal firearm alterations is legal but I would NOT go there.
     
  14. Brian Williams

    Brian Williams Moderator Emeritus

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    I have a S&W 35-1 and would love to take it and have one chamber reamed to 22WRM, it would be a sweet hunting gun, 22lr for the typical shot and a 22mag for those occasional longer shots.
     
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