Firearm Model History
Nylon 66
Description: Autoloading Rifle
Introduction Year: 1959
Year Discontinued: 1989
Total Production: Approximately: 1,050,350
Designer/Inventor: W.E. Leek, C.H. Morse, H.W. Young
Action Type: Autoloader
Caliber/Gauge: .22 long rifle
Serial Number Blocks: Starting: 00001
Ending: 2600000
Grades Offered: Nylon 66
Nylon 66MB
Nylon 66GS
Nylon 66SG
Nylon 66AB
Nylon 66BD
Variations: Nylon 66 - 150th Anniversary Rifle
Nylon 66 – Bicentennial Rifle
Slash5 said:You date Remington rifles by the two or three alpha letters stamped on the left side of the barrel just ahead of the receiver.
Go to the Remington forum at RimfireCentral and they have a sticky with the conversion table.