After observing all this banter over the yrs on this subject, whether on Parkers or other makes, I've come to the conclusion that when I buy a gun, I simply go by the constriction to form an idea of the performance. And since I shoot a variety of ammunition types, payload weight and shot size, only patterning at whatever distance I find a need for, is truly the bottom line. I don't pattern at "standard" distances, I shoot for effective range for my load and game. I want to know the distance limit for my game-gun-load. Anything else is just 'interesting' to me.
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