The 10 lifter on a 2 frame I just got is way over .792 (the highest my Skeets gauge will go where the gauge starts hitting the three inches of choke) and has barrels averaging .050 at the very thinnest spots. Where my gauge starts measuring to the end is .030 choke each so if I allow for the overbore I can't measure the overall constriction is pretty tight. 1878
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