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S&W M 18-3 Combat Masterpiece .357 HELP!!!

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5 comments

  • Doc
    The Model 19 is a K frame .357 Magnum. The Model 18 is a K frame .22 Long Rifle. The biggest immediately visible difference is the 19 has a shroud covering the ejector rod under the barrel while the 18 does not leaving the rod exposed.

    The K prefix serial tells us it's a K frame with adjustable sights which could be either the 18 or 19. The serial you gave is from 1970.

    The 19 was made in 2.5" round butt, 4" and 6" square butt versions.

    The 18 was made in 4".

    A 1970 4" M19 would be worth around $350-$400 in very good condition. About the same for a Model 18.

    If your gun is really a .357 Magnum with MOD 18 stamped on the farme it might be a factory mismark. With so many models being made using the same frame this actually happens quite often. I have seen maybe 20-25 S&W revolvers with the wrong model number stamped on them.

    No, they don't bring a premium like incorrect stamps or coins.

    Most often people are simply misreading the number which can be hard to see.

    BTW- The Model 18 (and .38 Special Model 15) are called the Combat Masterpiece while the Model 19 is the Combat Magnum. The reason you are getting confusing answers is because you are asking confusing questions when you call a Model 18 Combat Masterpiece a .357 Magnum. You need to figure out what you actually have.
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  • Brandon2e
    Good to know it is definatley stamped 18-3 but there is a shroud. Thanks for the info was starting to this I was going crazy.
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  • Doc
    OK, if it's shrouded and in .357 Magnum caliber but clearly marked model 18 then you likely have a mis-marked frame. Like I said, it happens and doesn't seem to affect value one way or the other because it is so commonly seen.
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  • select-fire
    Could be a wrongfully stamped frame or a 18 frame with a changeout barrel and cylinder. Check out this Model 28 .357. It is either a factory screwup or someone got creative.

    http://www.gunbroker.com/Auction/ViewItem.asp?Item=69377522
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  • Doc
    Because they have been cheap and plentiful the 28s have often been used as platforms to build harder to find guns. A conversion to .44 Special was once very popular. In this case it's either a mis-marked 29 or a 28 with a 6.5" M29 barrel (which is not rare despite what the seller says) and the cylinders bored.
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