January 29, 2021
OfflineHi.
Due to the rareness of DWs in Europe and the nearly impossibility of importing parts fom the US i would like to try to make some barrel nuts "from scratch".
Problem is.. i am unable to find data like thread dimensions neither tools like tabs e.t.c.
The only thing i found is from an old post from Scorpio:
Anyway, both the 44 mag and the 357 SM barrels I just measured were .652â³ dia. 40 TPI (threads per inch)
...but the .652" is not showing up in Datasheets like UNF e.t.c
Our precision mechanic partner shop claims that he would have to make a special tool to cut it on the lathe,
which is exorbitant expensive and definitely not worth it.
Maybe i should wait till the Pandemic is over and take a trip to the states by my self...
January 29, 2021
OfflineHi.
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Thx for the tip, done such things years ago with friends in the forces...but even if the barrel nut is not a "real", numbered gun part... problem is that someone with an US Adress had to purchase it first, and i dont want to get anyone in trouble... these days are definetly different from the past. 

Dans Club
January 17, 2015
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. I shipped a bunch of parts to Columbia for a Forum Member. My smart wife disguised barrel tube and nut as as lamp parts. Have someone mix a bunch of other stuff in with a few gun parts. 