Thread: Parker 13 gauge?
View Single Post
Unread 03-04-2014, 09:24 AM   #6
Member
Dean Romig
PGCA Invincible
Life Member
 
Dean Romig's Avatar

Member Info
 
Join Date: Dec 2008
Posts: 33,018
Thanks: 38,822
Thanked 36,031 Times in 13,203 Posts

Default
Jack, you're confusing 'nominal bore diameters' with chamber diameters. The chamber diameter (slightly tapered) will (almost) always be larger than the bore diameter. The diameters you show are nominal bore diameters.
Dean Romig is offline   Reply With Quote