D669090 is the serial # of my Stevens 79 pump gun 30 barrel wanting to know the year it was made.

Shotgun Stevens Letter Prefix Serial Numbers Gun Digest

http://www.shotgunworld.com/bbs/viewtopic.php?t=255179


Stevens Savage model 311A questions

Stevens didn`t make a 911...yours will be a 311..I hope these links help..Cheers Pete

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It's a Stevens gun manufactured in 1949. Probably a model 94, but without a pic, I can't tell you that for sure. Elaine, do a web search on "Stevens 94 shotgun" and see if you can match yours to any of the pics. They're great, workingman's guns, or in your case, workingwomen's guns. lol They last forever, they shoot all modern ammo, they're reliable as heck. Clean it up really well and use it in good health.

The only place to find that is at a public library that has the oem catalogs

All the Stevens factory guns made from 1948 till the passage of the Gun Control Act (requiring serial numbers) had a date code roughly stamped on the center bottom of the action either just in front of the trigger guard or just behind the hinge. The stamp is a letter for the year and a number for the month of manufacture, stamped inside of a circle or oval. "A" represents 1948 and each succeeding alphabet letter represents the next year. "O" and "Q" were not used.

I don't know what the letter codes on the action flats mean. The 311A is a model number; there were several letters used with the number 311 to identify the various small changes in the gun over the many years of production..

According to this website (http://www.gundigest.com/gun-collecting-firearm-collecting/sqa-stevens-letter-prefix-serial-numbers) it sounds like it would be between 1913 and 1939.

First, you need to know what you have. It can't be a Winchester with a Steven barrel.
It could be a 1890 or 1906 model.
Value depends 95% on condition.

First, some general info:
The company name was the J. Stevens Arms & Tool Co. up until WW-I. At that time their factories were taken over by New England Westinghouse for war production. After the Great War, Savage acquired the factories in Chicopee Fall, Mass., and set up the J. Stevens Arms Co. a wholy owned subsidiary of Savage Arms Corp. In addition to Stevens firearms thesr factories turned out a lower priced line of guns under the Riverside Arms Co. name up to about 1930 and the Springfield Arms Co. from 1930 to WW-II.
You can begin to date your gun based on the way the Stevens company name is written:
J. Stevens and Company 1867-1886.
J Stevens A&T Co. or
J. Stevens Arms and Tool Company, 1886-1915.
- no guns produced 1915-1920
J. Stevens Arms Company 1920-c.1940.
Stevens c. 1940-1991. AND 1999+
if both the Stevens AND Savage names appear, post 1948.
After 1948, all Stevens and Savage guns carried a date code stamped onto the gun. The date code stamp is a circle or oval containing a letter and a number. The letter coorespondes to the year of manufacture using the following translation. A is 1949. B is 1950 and so on through X. This code can be found almost anywhere on the gun and sometimes requires removing the stock to find it.
Also, later ones share a common platform with Savage Arms.
That said, you can find parts for Savage/Stevens/Springfield/Fox here:


http://www.gunpartscorp.com/Manufacturers/SavageStevensSpringfieldFox-33479.htm

Scroll down to almost the bottom for the shotgun parts.