JoeA

Which chokes do .627in & .623in translate to? I was looking at a SxS 20ga with hammers (think Elmer Fudd). The barrels weren't marked as to what choke they were.
I measured the muzzel of each barrel with a caliper and got .627 for one & .623 for the other.

Roskoe

Are you sure the barrels haven't been back-bored? The cylinder bore size for a 20 guage is normally around .612" to .614".

JoeA

I have no idea. The gun is of Chinese made, which is a concern; but....it's sooo dang cheap that it's "interesting"

johnch

If you can check the barrel inside diamiter just before the choke tube area.
Then you can put the choke tube diamiter in context.
I don't remember what construction each has compaired to bore.

Johnch