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mrerick · 03-31-2017, 09:52 AM

The fluting has the side effect of venting exhaust gas around the piston the firing pin forms within the breech block. It relieves some of the pressure that leads to catastrophic failure.

Here's a discussion over at Jan Still's forum:

http://luger.gunboards.com/showthrea...ed-Firing-Pin!

03-31-2017, 09:52 AM	#12
mrerick Super Moderator - Patron LugerForum Life Patron Join Date: Dec 2009 Location: Eastern North Carolina, USA Posts: 3,925 Thanks: 1,377 Thanked 3,139 Times in 1,520 Posts	The fluting has the side effect of venting exhaust gas around the piston the firing pin forms within the breech block. It relieves some of the pressure that leads to catastrophic failure. Here's a discussion over at Jan Still's forum: http://luger.gunboards.com/showthrea...ed-Firing-Pin! __________________ Igitur si vis pacem, para bellum - - Therefore if you want peace, prepare for war.