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Posted: 5/28/2015 5:31:43 PM EDT
Does anyone know where I can buy a threaded barrel for my M11A1 with a 1/2" - 28 thread?
Link Posted: 5/28/2015 5:53:19 PM EDT
Link Posted: 5/28/2015 5:54:21 PM EDT
Can anyone verify? I've heard it will not work with either a 229 or 228 barrel
Link Posted: 5/28/2015 6:05:16 PM EDT
Link Posted: 5/28/2015 8:39:37 PM EDT
The M11-A1 should definitely use 229 barrels. I don't know if 228 barrels would work as well. Sig's website lists the factory 13.5x1LH barrels as 228/229 so you'd prolly be good with either.

https://www.efkfiredragon.com/sig-sauer-p228-229-9mm3.html

No idea where/who else sells them in 1/2x28.
Link Posted: 6/26/2015 9:34:51 PM EDT
Bump because I am looking for M11A1 threaded barrel.
Link Posted: 6/27/2015 11:32:36 PM EDT
SIg pistols only come in 13.5x1LH threads
Link Posted: 6/30/2015 12:15:44 PM EDT
I called Sig, gave them the serial and model of a P229 I have and they told me they were completely interchangeable.
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