try the barrel or receiver.
You may find this at Numrich Gun Parts Corp.
The serial number range for the Stevens model 520-30 military shotguns is from 30,000-70,000.As to the year of manufacture you will probably have to contact Savage/Stevens directly.
Try gunpartscorp.com
No
These savage/stevens model 94c were made from 1929-1942.long before serial numbers were mandated by the gun control act of 1968.So there is a strong possability that your stevens does noy have a serial number.
Sorry, but you won't.
Gun shop, gun show, want ads.
You might find one at Numrich Gunparts
I have one and it is about 70 years old.
your savage Stevens model 94c was made from 1926-1945,there were 934,000 made during this timespan.
Try e.gunparts.com
I would start at Numrich Gun Parts Corp.