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sig 357 barrel in 9mm slide?

This is a discussion on sig 357 barrel in 9mm slide? within the P250 & P320 Modular Pistols forums, part of the SIG Sauer Pistols category; So I have a spare compact grip, 9mm barrel and slide assembly. I'm ordering another FCU to make it a complete firearm, but .... I'm ...


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Old 01-08-2017, 09:54 AM   #1
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sig 357 barrel in 9mm slide?

So I have a spare compact grip, 9mm barrel and slide assembly. I'm ordering another FCU to make it a complete firearm, but .... I'm thinking of a different caliber as well. Either 357 Sig (which is what i'm really leaning towards) or 40.

Do either or both of these barrels work with this slide? I know I'll need mags other than the 9mm's, but can I literally drop in a barrel and be up and running?

Thanks for the help ...
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Old 01-08-2017, 09:58 AM   #2
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No. The .40 and 357 barrels do not fit into the 9mm slide. The inverse however does work.
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Old 01-08-2017, 10:06 AM   #3
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Where can you order a Fire Control Unit from?

I would like to find one for a P250.
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Old 01-08-2017, 10:18 AM   #4
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FCU's .... JCR Firearms
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Old 01-08-2017, 10:27 AM   #5
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What model gun are we talking about.
The 9mm slide is narrower at the breech face.

The 239-224-226 a 40 0r 357 slide can use a 9mm barrel.

The 229 40 or 357 needs a conversion 9mm barrel.
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Old 01-08-2017, 10:40 AM   #6
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OOPs forgot to put that ... P250 compact
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Old 01-08-2017, 10:45 AM   #7
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Quote:
Originally Posted by dwg13013 View Post
The 239-224-226 a 40 0r 357 slide can use a 9mm barrel.

The 229 40 or 357 needs a conversion 9mm barrel.
All very true. The OP is asking about a 357 barrel in a 9mm slide, however. I'm unaware any gun, model or manufacturer, that will do this, conversion barrel or not.
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