9MM Muzzle Device Thread Pitch - Page 1

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[ARCHIVED THREAD] - 9MM Muzzle Device Thread Pitch

Posted: 12/7/2018 12:15:47 AM EDT

How many different thread pitches are there for 9MM AR Barrels? Bear Creek just told me over the phone that the 10.5" Stainless Barrel I bought should have a 1/2 X 32" thread pitch. I see 1/2 by 28 by 36 but no by 32". Did I hear wrong? Did she mean to say 1/2 X 36"?

Posted: 12/7/2018 7:48:33 AM EDT

[#1]

1/2-32 is what HK used for the MP5N. Not much else that I'm aware of. Standard was -36 for a very long time, but we're seeing more and more in -28.

Posted: 12/7/2018 8:15:14 AM EDT

[#2]

I've not seen 1/2-32 used on anything but H&K subguns.

Posted: 12/8/2018 10:24:29 AM EDT

[#3]

I like 36.
28 doesn't leave much meat.

Posted: 12/8/2018 4:33:45 PM EDT

[#4]

I just got a BCA 9mm barrel and it has 1/2x36 threads. Maybe the guy you talked to misspoke.

[ARCHIVED THREAD] - 9MM Muzzle Device Thread Pitch

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