Reaction of Luger barrel to torque of firing?

[sheepherder]

Originally Posted by marshombre

Mr. Postino, RH twist barrel is pinned to a large barrel nut with RH threads with a spring detent. Tell you what, next time I take 'er out I'll cram something under the detent to keep it from contacting the barrel nut, tighten the barrel almost hand tight and see if any counter- rotation occurs. Good enough?

Take pics...