When did they quit making the remingto model 550-1?

Description: Autoloading rimfire rifle

Introduction Year: 1941

Year Discontinued: 1970

Total Production: Approximately 764,573

Designer/Inventor: K. Lowe, C.C. Loomis

Action Type: Autoloading

Caliber/Gauge: .22 short, .22 long, .22 long rifle

Serial Number Blocks: N/A

Variations: Model 550A

Model 550P

Model 550-2G

Model 550-1 (Redesigned with only one ejector in 1946)

The 550A was made from 1941 to 1971