Remington 870 production began in 1949, the shell lifters were a dull chrome plating; around 1967 Remington added polish chrome to the shell lifters provided smoother feeding. The "silver spoons" production ceased around 1975 with serial # pre-fix "T" to gun metal "blue" shell lifters.
Remington 700 (both ADL and BDL models) receiver/actions were produced starting in 1962 with serial number 1000 and ran to serial number 387347 in November of 1968. The barrels with their own date codes told the actual date of firearm assembly or close-to date prior to shipping. These early...
This website (Remington Model 31 - Wikipedia) indicates the model 31 was made from 1931 to 1949. Another (Remington Manufacture Dates) says a two letter code on the barrel reveals the year of manufacture. My barrel is stamped (twice) ZZ, near the receiver, which that chart shows as being made in 1953 (and that Z was used in 1931).
Acquired a No 1 Musket (3 band) in 50-70 that has no Remington Address or Patent Date on the barrel or the tang There are only these markings on the rifle: * Remington Inspector 'P' on the barrel - receiver - trigger guard and shoehorn butt plate * Lot number on the inside of the upper and lower tag. Not the normal repeating 10,000 block of numbers but 'F 97975' * Armory Rack No on butt stock ...
No 1 (50-70) with No Remington Address or Patent Date? - Beware of ...
Remington 1100 released 1963; your receiver doesn't have a letter pre-fix in the serial # so was produced between 1963 and 1969. The first 1100 pre-fix letter code after the 1968 Gun Control Act was letter "L". While that doesn't help you for exact year its early production. A good very good friend who is a retired Remington Dupont employee, in fact he hired Scott Haines (Nitro27) and have ...