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01-07-2016, 03:20 PM
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357 sig to 9mm
I have a sig239 in 357 sig. I have been thinking about buying a 9mm barrel for it. I will of course also need new mags. I have never seen anything on doing this. Has anyone seen this done? 9mm being a lot cheaper would give me more trigger time with the gun.
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01-07-2016, 03:32 PM
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Can't speak to the Sig 239 model, but I've done this with my Glock 32.
Since I reload, I don't have the high cost of 357sig ammo to deal with, so that helps a LOT!
I can't imagine that what you're after is impossible. Check out Lone Wolf, or Storm Lake or some of the other aftermarket barrel manufacturers and see if they offer what you're after.
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01-07-2016, 04:20 PM
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I doubt it would work properly. Rim diameter is different between the .357 Sig and the 9mm, and I think that would cause functioning problems. No sweat to go to a .40 S&W, as rim diameters are identical between the .357 and the .40. And same magazines could be used.
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01-07-2016, 04:24 PM
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Storm lake and Lone wolf do not offer sig barrels. I can buy a 9mm sig barrel from sig but will it fit in a sig 239 that now has a 357 barrel. Perhaps I will have to e-mail Sig and ask them.
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01-07-2016, 04:59 PM
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Your best approach would be to ask Sig if a 9mm barrel swap is feasible on the same slide, especially if you have to buy the barrel from them. I believe it is not likely to be.
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01-07-2016, 06:22 PM
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Quote:
Originally Posted by DWalt
I doubt it would work properly. Rim diameter is different between the .357 Sig and the 9mm, and I think that would cause functioning problems. No sweat to go to a .40 S&W, as rim diameters are identical between the .357 and the .40. And same magazines could be used.
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you can go from 40 S&W to either 9mm or 357 sig .. I have both barrels for my 40c ..
Last edited by Whitwabit; 01-07-2016 at 06:23 PM.
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01-07-2016, 07:01 PM
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It might be worth your while to ask this question over on the Sig Talk forum, in the Sig Sauer subsection gunsmithing area
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