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AR15.COM
10/27/2017 10:18:45 PM EDT
Haven’t been able to find this through google...

What’s the 45 and 9mm thread pitch from factory barrels?

Thanks!
11/23/2017 6:28:07 PM EDT
[#1]
TFS – 45 ACP is .578 x 28
TFS - 9mm is ½ x 28

Per Kimber via email
12/19/2017 4:31:21 PM EDT
[#2]
you should check out backuptactical.com for some cool thread protectors:



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