Try gun shows, pawn shops, want ad, for sale ad, on line auctions, egunparts, estate sales, garage sales, etc..
I believe it was Stevens
You will have to contact Savage directly for the answer to your question.I beleive that the serial numbers to the Stevens model 311 side by side shotgun are not in the public domain.I can say that the model 311 was discontinued in the year 1989.
50-175 USD
1939
The value of the Stevens WestPoint 20 GA Model 168 series B shotgun ranges between 120 and 200 United States dollars.
Best left to a gunsmith
Yes
Buy parts for 410 Stevens model 67 pump shot gun.
50-200 USD
Any of the 124 series.
Used bout 80$
Try Numrich gun parts corp.or gun broker.com under shotgun parts.