All Marlins (except lever action) manufactured from 1962-1968 A two letter code was used to designate month and year of manufacture.
The Blue Book of Used Gun Values offers serial numbers for the following makers: AYA, Boss & Co., Ltd, Browning, EJ Churchill, Colt, Colt Black Powder 2nd Gen, John Dickson & Son, AH Fox, German early Date Codes, German Modern Date Codes, Stephen Grant, WW Greener, Harrington & Richardson, High Standard, Holland & Holland, Italian Year of Mfg.
Date Codes, Ithaca Gun Co., Charles Lancaster, Joseph Lang, Marlin Firearms, Mauser Broomhandles, Parker Brothers Shotguns, Piotti, James Purdey, Remington Date Code & Sx S Shotguns, Savage/Stevens, LC Smith, Smith & Wesson, Spanish Year of Mfg.
To find out about your gun's serial number simply click on your firearm.
Historical Letters Available Click here to learn more about how you can add a piece of history to your Browning firearm.
Speculation is that once receivers started being manufactured at the Ilion, NY, plant the prefix became MR.
***While potentially not relevant to this specific thread.
Do not insert spaces between any character in your serial number.
(Including Models 1881, 1888, 1889, 1891, 1892, 1893, 1894, 18.) Note that records are chaotic as all models were numbered in a single serial number range, and numbers are often duplicated, and the dates recorded are apparently shipping dates, not dates of manufacture.
Winchester Firearms Manufacturing Dates by Serial Number and Year 1866 through the early 1990s Below is the download link for a special resource for dating Winchester firearms.
These pages were scanned from documents compiled over the years by the customer service department of Winchester Repeating Arms.
After 1968 all firearms manufactured or imported into the USA were required under US Federal law to have serial numbers on them.