It is a rare, hand checkered gun, manufactured between 1903 and 1910. Stevens Arms Company started at Chicopee Falls, Massachusetts in 1864. Founder Joshua Stevens was a New England toolmaker who had gained experience while employed C. B. Allen, Eli Whitney, Samuel Colt, and Edwin Wesson.
The Black Rifle by Blake Stevens
what exactly is the question any other information on the rifle?
The Stevens 311 is a double barrel shotgun.
I have one, but it is missing the bolt, otherwize it is in good cond,
You have provided too little information to answer the question. The specific model and exact condition is required to make any kind of estimate.
I have a Stevens Peerless model I'm in need of a magazine and information about this old rifle.
Is it a pistol or a pocket rifle? Either way, it would have been made between 1886 and 1916. You can find a fair amount of information about Stevens guns in Flayderman's Guide to Antique American Firearms or The Standard Catalog of Firearms. Flayderman's bibliography will reference other sources of more detailed information.
More information needed.
My best estimate would be Stevens.
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Flayderman's Guide to Antique American Firearms
It would have been made between 1886 and 1916. You can find a fair amount of information about Stevens guns in Flayderman's Guide to Antique American Firearms or The Standard Catalog of Firearms. Flayderman's bibliography will reference other sources of more detailed information.