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Old 05-19-2017, 01:05 PM
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Question S&W 18-4 ? Questions



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I inherited a mint condition S&W revolver that appears to be a 18-4 chambered in .22 MRE. Can someone tell me how to find the model number and also can .22 Win Mag cartridges be used in the .22MRE ?

Thank you ... Rick
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Old 05-19-2017, 01:42 PM
KKG515
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The Model number of your revolver should be stamped on the left side of the frame under the crane. Simply open the cylinder and look under the barrel stub. Where did you get the idea that this pistol is chambered for a .22MRE caliber? I've never heard of such a caliber. A Smith & Wesson pistol will be marked on the barrel(right side) and should read .22 Long Rifle or .22 Magnum. The only exception to this is the Model 53; that barrel is marked .22 Magnum but is in fact a .22 Long Rifle diameter barrel. And, just because the barrel is marked .22 Long Rifle does not mean that you can't fire both Longs and Shorts in the same chamber.

Also, an S&W pistol in .22 Magnum(.22 Winchester Magnum Rimfire[.22WMR]) should be a Model 48 although, some have been found and documented as having been built on both the Model 17 and 18 frames. It would require a Factory Letter to determine that such was done at the Factory and so noted at the time. These errors weren't always caught and recorded.
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Old 05-19-2017, 03:31 PM
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Quote:
Originally Posted by KKG515 View Post
The Model number of your revolver should be stamped on the left side of the frame under the crane. Simply open the cylinder and look under the barrel stub. Where did you get the idea that this pistol is chambered for a .22MRE caliber? I've never heard of such a caliber. A Smith & Wesson pistol will be marked on the barrel(right side) and should read .22 Long Rifle or .22 Magnum. The only exception to this is the Model 53; that barrel is marked .22 Magnum but is in fact a .22 Long Rifle diameter barrel. And, just because the barrel is marked .22 Long Rifle does not mean that you can't fire both Longs and Shorts in the same chamber.

Also, an S&W pistol in .22 Magnum(.22 Winchester Magnum Rimfire[.22WMR]) should be a Model 48 although, some have been found and documented as having been built on both the Model 17 and 18 frames. It would require a Factory Letter to determine that such was done at the Factory and so noted at the time. These errors weren't always caught and recorded.
Thank you KKG515. Well I found the model #. It is a 48-4. The barrel is stamped .22 M.R.E. CTG.
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Old 05-19-2017, 07:47 PM
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Quote:
Originally Posted by RickC528 View Post
Thank you KKG515. Well I found the model #. It is a 48-4. The barrel is stamped .22 M.R.E. CTG.

Sure it's MRE ?? I've seen them marked M.R.F .. that would be 22mag model 48
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Old 05-19-2017, 09:23 PM
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Quote:
Originally Posted by MKC451 View Post
Sure it's MRE ?? I've seen them marked M.R.F .. that would be 22mag model 48
I concur with this. I had a 48 in my hands a few weeks back and I'm 99% certain the barrel was stamped "22 M.R.F." (Magnum Rim Fire). Given the way some barrel stamps come out, I can see how it might look like it says "M.R.E." with the period after the "F". But .22 Winchester Magnum ammo is what you're looking for to feed that 48.
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Old 05-20-2017, 12:10 PM
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MRF is correct

Quote:
Originally Posted by MKC451 View Post
Sure it's MRE ?? I've seen them marked M.R.F .. that would be 22mag model 48
Yes, it does say MRF. Helps when I where my glasses.
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