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Old January 30, 2013, 09:14 AM   #19
Senior Member
Join Date: October 20, 2007
Location: Richardson, TX
Posts: 7,224
Really interesting is the breech face of the revolver-- there's the hole for the firing pin and a second hole there as well. I believe it was meant to hold or steady the 9mm cartridge.
IIRC the second larger hole accommodates a rebounding hammer-actuated plunger that prevents the 9mm case from backing out on firing due to its slight case taper.
"Smokey, this is not 'Nam. This is bowling. There are rules... MARK IT ZERO!!" - Walter Sobchak
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