Gunsmithing Question on barrel threading

[nobbie333actual]

I know that this has been asked but I can't find it
what it the thread for a .22 suppressor I know 1/2-28 but how long to cut threads
I am planing on getting a silencerco sparrow

 

[mscott]

Re: Question on barrel threading

Here's the diagram for Sparrow threads http://www.silencerco.com/downloads/Silencerco-22Sparrow-Thread-Specs.pdf

 

[nobbie333actual]

Re: Question on barrel threading

thank you