Thread indexing on Luger Barrels Question

[Vlim]

Here is a closeup of the threads on an unfinished post war bull barrel.

[sheepherder]

Originally Posted by Vlim

Here is a closeup of the threads on an unfinished post war bull barrel.

That pic does look like a lathe turned thread, cut with a single point cutting tool (although it doesn't show the end of the cut)...but the machinery could have changed from what was done before that...

Just my guess...