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Dick Herman · 04-06-2014, 05:31 PM

The thread form listed in "Borchardt & Lugers" is 14x1.5 for mounting a silencer. I have observed a similar Luger with a 1/2in-20tpi UNF machined mussel end. A 1/2in-28tpi is a UNEF, extra fine.

04-06-2014, 05:31 PM	#30
Dick Herman User Join Date: Apr 2006 Location: Texas Posts: 302 Thanks: 496 Thanked 356 Times in 138 Posts	The thread form listed in "Borchardt & Lugers" is 14x1.5 for mounting a silencer. I have observed a similar Luger with a 1/2in-20tpi UNF machined mussel end. A 1/2in-28tpi is a UNEF, extra fine.