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Unread 01-22-2015, 08:03 AM   #3
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Quote:
Originally Posted by Dean Romig View Post
Parker Bros. (and some other early shotgun manufacturers) chambered their guns 1/8" shorter than the paper shells intended for the gun in the belief that the shell opening into the cone provided a better gas seal while only increasing the pressure an insignificant 100 psi or so.
Makes me wonder where are all the 2 3/4" chambered 10 guages for 2 7/8" shells are
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