Best left to a professional. Find a gunsmith
Check the receiver and barrel.
Check the barrel and receiver. Sn's were not required before 1968
Under $100.
I believe that is a model 311. I have the same double barrel.
between the stock and the barrel
Manufactured between 1886 and 1916.
The Stevens double barrel shotgun is worth $350 to $450 dollars. The value is determined by the gun's mechanical condition.
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.
Check the barrel and receiver
To disassemble a Stevens Model 300 shotgun, first ensure the firearm is unloaded by checking the chamber and magazine. Next, remove the forearm by unscrewing the screw located at the front of the receiver. Then, unscrew the trigger guard and remove it, which will allow you to take out the trigger group. Finally, you can separate the barrel from the receiver by unscrewing the barrel nut. Always consult the manufacturer's manual for specific instructions and safety precautions.
wood
It s a Stevens model 311D double barrel shotgun serial number A226687 16 gauge. everything is on the side of the shotgun.