There are some who believe it indicates that a barrel is over bored. It is not always found on the flats of both barrels - sometimes just one. There is even some supporting data someone has where the bores of barrels with the + have been measured and have turned out to be larger than the nominal bore diameter for the gauge.
Mr. Suponski has offered his thoughts on this subject in the past.
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__________________
"I'm a Setter man.
Not because I think they're better than the other breeds,
but because I'm a romantic - stuck on tradition - and to me, a Setter just "belongs" in the grouse picture."
George King, "That's Ruff", 2010 - a timeless classic.
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12-29-2016, 12:12 PM
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