Barrels have been cut down. 100-175 USD
It is a Stevens 311
there is the Stevens side by side shotgun model 311
Depends on condition - 75-300 USD
The Stevens model 311 was discontinued in the year 1989.You would have to contact Savage/Stevens to get the actual age of your double barrel shotgun.
Try e-gunparts.com, Shotgun News, Gun List, do a web search on "shotgun stocks".
The Stevens 311 is a double barrel shotgun.
Generally, no. Barrel sets are individually fitted to the frame and will not just drop on. firstname.lastname@example.org
Savage/Stevens Model 5000 very much a model 311