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Interested in P229 Legion in 40 caliber.

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Old 12-31-2016, 07:46 AM   #1
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Interested in P229 Legion in 40 caliber.

Interested in P229 Legion in 40 caliber.
Have a few questions for the experts here.

1) Is the 40 caliber truly built for the increased pressure and wear imposed by this round?

2) Or is it simply a firearm that the frame, slide, and etc. have been a 9mm modified to accept a 40 caliber round?

3) That being asked. Is it simply a barrel change to covert the handgun from 40 caliber to 357 SIG?

All my experience is with Kimbers in 45 caliber.

Recently received a SIG P226 9mm SAO for Christmas.

LOVE IT!!!!!

But interested in stated firearm; possibly 2 in 1 with barrel change?
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Old 12-31-2016, 08:12 AM   #2
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The P229 was build from the ground up as a .40 pistol. It was later chambered in 9mm when SIG stopped production of the P228. You can drop a .357SIG barrel into it. The front sight is usually different on the .357SIG but it probably won't make much difference on POA / POI. There are no other differences, though.
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Old 12-31-2016, 08:14 AM   #3
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Many Thanks!!!
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Old 12-31-2016, 08:34 AM   #4
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No problem. I have a Legion P229 in .357, and I love it.
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Old 12-31-2016, 08:51 AM   #5
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Welcome from PA!

Basically, the 357 SIG, is a bottle necked .40 casing with a 125 grain 9mm bullet. Works perfectly in a P229.
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Old 12-31-2016, 09:40 AM   #6
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Welcome from ID

yes the P229 was built for the 40, I have one, goes boom quite well
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Old 12-31-2016, 10:22 AM   #7
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welcome from az
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Old 01-02-2017, 05:28 AM   #8
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I'm with you! The P229 Legion in .40 may very well be my next Sig in part for that easy caliber change flexibility (just a stock Sig barrel).

... and like everyone stated, it was designed to be a .40 so it should take the added pressures like a champ.
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Old 01-02-2017, 10:05 AM   #9
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Quote:
Originally Posted by JohnK1987 View Post
I'm with you! The P229 Legion in .40 may very well be my next Sig in part for that easy caliber change flexibility (just a stock Sig barrel).

... and like everyone stated, it was designed to be a .40 so it should take the added pressures like a champ.
You quote easy calibre change. True going from 40 to 357 ,or from 357 to 40 is easy, The slide designed for either of these calibers is beefy enough. Going to 9 mm is a different story, The 9 slide is a bit narrower. You can not go from 40 or 357 to 9 slide. Have to change the slide. Barsto makes a 9mm barrel to fit the 40/357 slide for a drop in. I've heard excellent results. Some have even had luck using 9mm in the 40/357 mags. Flat will not work putting a 40/357 in a 9 mag. You can jam a couple in but good luck getting them out.
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Old 01-02-2017, 10:31 AM   #10
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Here is the caliber conversion chart that was posted some time ago on the forum and is an excellent resource:


SIG Barrels_Conversion Chart.jpg
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Old 01-02-2017, 10:32 AM   #11
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Quote:
Originally Posted by Sgt Ed View Post
You quote easy calibre change. True going from 40 to 357 ,or from 357 to 40 is easy, The slide designed for either of these calibers is beefy enough. Going to 9 mm is a different story, The 9 slide is a bit narrower. You can not go from 40 or 357 to 9 slide. Have to change the slide. Barsto makes a 9mm barrel to fit the 40/357 slide for a drop in. I've heard excellent results. Some have even had luck using 9mm in the 40/357 mags. Flat will not work putting a 40/357 in a 9 mag. You can jam a couple in but good luck getting them out.
Yeah, I was referring to the OP's question #3.

.40 to .357... just a barrel swap and you're done. Love that!
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Old 01-02-2017, 10:38 AM   #12
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The P229 in any flavor is fantastic. I've got 2--both with .357 and .40 barrels.
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Old 01-02-2017, 11:02 AM   #13
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Quote:
Originally Posted by fixedsights View Post
The P229 was build from the ground up as a .40 pistol. It was later chambered in 9mm when SIG stopped production of the P228. You can drop a .357SIG barrel into it. The front sight is usually different on the .357SIG but it probably won't make much difference on POA / POI. There are no other differences, though.
I was interested in a 9mm/357sig also in 229 legion I already have the 226 legion
so I called Sig today twice and talked to two different customer service reps and
they both said you have to change the slide when changing from one to another
on the 229. I'am only saying this because I wouldn't want myself or anyone else
buying a 229 and thinking that we could just buy the barrel alone and make the conversion.
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Old 01-02-2017, 12:03 PM   #14
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Unfortunately, calling SIG CS is hit 'n miss on some things, even calling twice is no guarantee.

You can change from 40/357 to 9 in one of several ways:

A SIG caliber conversion kit (slide, barrel, complete).

A conversion barrel (BarSto is one source) & recoil spring.

A SIG P-228 "parts kit" - (use slide, barrel, recoil spring/rod, and locking block). These kits are used, contain everything from the LEO turn it P228 except for the frame, and were available from CDNN for $128. The kits were apparently from a large bulk purchase from a LE agency that required the frames be destroyed. Not sure if there's going to be more available, there were a good deal as most of the fire control stuff is the same as that used in other Classip P's. The parts in the two kits I purchased were in excellent condition, though dirtier than I'd ever carry a gun.
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Old 01-02-2017, 12:04 PM   #15
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I don't know why you were told that! Everybody knows that a 357sig is just a necked down 40 S&W. I run four 40's with a 357sig barrel in each. I love the caliber. Just buy a 357sig barrel and have fun. Did you get the names of the CS personnel that told you that?
They really need to be educated in their product. I currently have a 357sig barrel on order for my 224/40 S&W. Good luck with your decision.
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