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Parker 16 gauge V proof marks /frame size
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11-20-2014, 11:15 AM
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Jim DiSpagno
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662 is bore diameter, BNP=British nitro proofed 2 1/2 " 16 gauge 3 ton per square inch. That is all British proof marks. Vin a circle stands for Vulcan steel, jg is Parker inspector and 3 is barrel weight, can't see the smaller # to indicate ounces.