Mic the ID of the muzzle compared to the ID of the unchoked bore. Most of these guns will be Full/Modified or Full/Full. sales@countrygunsmith.net
You might find one at Numrich Gunparts
Try e-gunparts.com
@ 31-68
The Stevens 311 is a double barrel shotgun.
The original Savage?Stevens model 311 shotguns were made from 1926-1945.The more recent made Stevens model 311 shotguns were discontinued in the year 1989.
The worth of a Stevens 20 gauge double barrel model 311 is determined by a couple of factors. The age and the condition of the shot gun are the main considerations. The price ranges from $150 to $300.
150-300 USD, depending on condition.
100-300 USD
It is a Stevens 311
The model 311 is a side-by-side.
Try e-gunparts.com, Shotgun News, Gun List, do a web search on "shotgun stocks".
Made by Savage/Stevens, same as the Model 311. Value $150-$300.