How to tell if a barrel is 10ga or 12ga
I have a parker I am looking at, that has 2 barrels on it. 1 I know is a 12ga and 1 is a 10ga. There are no gauge stamps on the barrel lug as the barrels predate that stamp, I was assuming an RST 2.5 12 would drop further into the 10 than the 12, but I am not seeing that to be the case so far....
This is my first experience with a 10 so any help will be appreciated.
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"The Parker gun was the first and the greatest ever." Theophilus Nash Buckingham
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