13 gauge?
I recently posted pics of a 16ga scott hammergun I bought. I have liked it so much that when a reasonably priced "12" apeared on GB I hit the buy now button. The gun cleaned up real nice (see attached photo) but upon inspection of the proof marks it is marked to be a 13 gauge. 12 gauge shells fit nicely in the chambers so I assume it was bored with a smaller diameter than .729. I havent miced the barrels. but assumeing it is .71 or something are there any special concerns with shooting a gun with narrow bores. The water table indicates it was made for 3 1/4 drams and 1 1/8 oz.
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