Not sure what I have here

[sheepherder]

Originally Posted by Vic103

I think my chamber is already too deep. Well at least just a couple thousands less than the maximum (.776) it's probely something like .773

By my [marginal] math skills, that gives you .019" of head space...IMHO, that's not bad for a military pistol...

By comparison, both my P38's have much more...One is right at .036"...And functions fine...

And, FWIW, you can make your own 'headspace gauges' out of plastic shim stock, cut out with a hole punch, and stacked on top of a dummy cartridge (or empty case)...

And if you want to deepen or cut a new chamber, 9mm Parabellum/Luger reamers are available for rent...(Do a Search here; there's two places that rent them quite reasonably)...

And if you reload, a too-deep chamber is still not a problem...Longer brass is available...Which can be sized to fit a too-long chamber...(A quick check shows 38 ACP/38 Super brass can be trimmed down & fire-formed to 9mm)...

Don't worry...be happy!!!

[sheepherder]

BTW, excellent looking barrel vise...How did you bore (or ream?) the taper???