Old Briley choke markings?

J

jaughtman

New member
Hello! I purchased an old Browning Superposed last year that one of the previous owners had sent to Briley to have chokes installed (who knows how long ago). They are marked "Full" and "XX" "Full" (all hand-inscribed they are so old). What is the meaning of the "XX" markings on the one? Thanks!

J
 
If it has a nominal .729 bore, the XX Full is most likely somewhere around .040 POC - a bore mic can tell you exactly what they measure, but the pattern board with your ammo will tell you what the choke really is - remember, no steel through Superposed barrels
 
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