When you add a 'thread adapter' to a Walther P22 it is 1/2x28...............as far as the threads under the cap on the barrel..........dont know.
this is what you buy...............
To get this.................
Posted: 1/17/2007 12:55:19 PM EDT
[#2]
Yeah, I know the 1/2x28 part. I already have the adaptor for my P22. I just got an Advantage Arms Glock kit, and I want to use the adaptor on the kit (instead of buying something else), I just need to know the size of the female threads of the adaptor.
