Making a smith 940.

Making a smith 940.

This is a discussion on Making a smith 940. within the Defensive Carry Guns forums, part of the Defensive Carry Discussions category; I was just thinking of getting a 640 pro and buying a 9mm cylinder so I have two calibers. I can carry it as back ...

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Thread: Making a smith 940.

  1. #1
    Member Array MPA249's Avatar
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    Making a smith 940.

    I was just thinking of getting a 640 pro and buying a 9mm cylinder so I have two calibers. I can carry it as back up to my glock using 9mm ammo or my Smith Model 19 with 38 spl +P if I want. Could it be that easy? If not a pro then a 640 with a new springs, cylinder smithed to take full moon clips (80.00) and a trijicon front sight (80.00). Ideas?


  2. #2
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    Why bother? Seems lot a lot of work and expense (cylinders generally need to be fitted) for a questionable advantage.
    glockman10mm and msgt/ret like this.
    Smitty
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  3. #3
    Senior Member Array WC145's Avatar
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    The 640 Pro uses a j magnum frame, a 940 cylinder won't work. Also, it's almost impossible to find 940 cylinders these days. Numrich had some a few years ago but sold out of them a long time ago. Pretty much your only option would be to have a 640 cylinder rechambered, check Pinnacle-Guns.com: Pinnacle High Performance Custom Gunsmithing. Mark did a 360J for me a few years ago, I've been very happy with it.
    “Never give in. Never give in. Never, never, never, never—in nothing, great or small, large or petty—never give in, except to convictions of honour and good sense. Never yield to force. Never yield to the apparently overwhelming might of the enemy.”

  4. #4
    Member Array jimmr's Avatar
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    My son had a conversion done to limit the number of calibers he has to have on hand for his go to guns. Loves it!

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