sig 229 barrel swap

kilgore · 04-17-2006, 01:41 PM

i had just bought a 229 in 9mm and was wondering if i could swap the barrels to the bigger 40 & 357 ? one of the guys at the gun store i bought it from said it could be done, i just wanted to find out more before i spend the money on it. any info will be greatly appreciated. thank you

Jim Watson · 04-17-2006, 02:55 PM

You can go from .40 to 9mm but not the other way.

hank_612 · 04-26-2006, 01:54 PM

you can go from 40/357 to 9mm if you by a conversion barrel. Factort 9mm barrels would not work in a 40 cal 229. Barsto makes ans sells the conversion barrels for 200 bucks. Sory that the sales guy misinformed you.

joedel · 05-20-2006, 08:08 PM

I have an old original Sig P229 .40 S&W (bought in 1993).

Can I replace the old .40 barrel with a new Sig factory .357 SIG barrel?

I know it can be done with new P229's but will the new .357 barrel swap into an older P229?

And if that can be done, will the old 12-rd. Pre-Ban .40 S&W magazines work with .357 SIG ammunition?

Thanks.

raskolnikov_22 · 05-07-2009, 06:01 AM

I'm pretty sure the P229 hasn't changed since it was introduced, so you should be able to switch barrels. Call Sig

04-17-2006, 01:41 PM	#1
kilgore Junior Member Join Date: Apr 2006 Location: san diego & new york Posts: 1	sig 229 barrel swap i had just bought a 229 in 9mm and was wondering if i could swap the barrels to the bigger 40 & 357 ? one of the guys at the gun store i bought it from said it could be done, i just wanted to find out more before i spend the money on it. any info will be greatly appreciated. thank you

05-07-2009, 06:01 AM	#5
raskolnikov_22 Senior Member Join Date: Jun 2004 Location: Texas Posts: 285	Re: sig 229 barrel swap I'm pretty sure the P229 hasn't changed since it was introduced, so you should be able to switch barrels. Call Sig

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04-17-2006, 02:55 PM	#2
Jim Watson Senior Member Join Date: Apr 2001 Location: Alabama Posts: 875	You can go from .40 to 9mm but not the other way.

04-26-2006, 01:54 PM	#3
hank_612 Junior Member Join Date: Dec 2004 Posts: 9	you can go from 40/357 to 9mm if you by a conversion barrel. Factort 9mm barrels would not work in a 40 cal 229. Barsto makes ans sells the conversion barrels for 200 bucks. Sory that the sales guy misinformed you.

05-20-2006, 08:08 PM	#4
joedel Member Join Date: Aug 2002 Location: Georgia Posts: 61	I have an old original Sig P229 .40 S&W (bought in 1993). Can I replace the old .40 barrel with a new Sig factory .357 SIG barrel? I know it can be done with new P229's but will the new .357 barrel swap into an older P229? And if that can be done, will the old 12-rd. Pre-Ban .40 S&W magazines work with .357 SIG ammunition? Thanks.