These rifles were made from 1959-1990 with a total production of 1,050,336. The last year of production for the Remington model nylon model. What was the last year they made the Remington model 66? We have no data for Remingtons made at other times. REMINGTON DATES OF MANUFACTURE For Remington guns made 1921-1972 only. Remington Society ofAmerica, Manufactured Date link has the details. If you want to know the month & year your rifle was madesend me the two or three letter code stamped on the left side ofthe barrel back by the receiver ring.Ĭheck the date code stamped on the barrel. Remington Barrel and Serial Numbers, How to Find Out Manufacture Date.We're the world's largest supplier of gun parts and have been serving shooting enthusiasts with quality parts and experience since 1950. Find Remington 550-1 parts and schematics at Numrich Gun Parts.