trying find out what year my shotgun was manufactured and what choke it has

[flyfisherman_53]

Hi new to forum trying find out by serial # 416976X and trying find out when was manufactured and what choke it has these are only readable numbers on this gun, any help be of help thanks flyfisherman_53.

[ChillyB]

Barrel should be marked near receiver on left side with a few small letters indicating choke: imp, mod,, full.

[Scorpion8]

Barrel should be marked near receiver on left side with a few small letters indicating choke: imp, mod,, full.

And if it has none, and no removeable chokes, then it's cylinder bore.