Remington Arms 550-1 22LONG Complete Specs and Full Gun Specifications

The Remington 550-1 was manufactured from 1946 to 1970. Approximately 730,000 of them were made in that time. The 550-1 is a semi-automatic .22 rimfire rifle that is actually a redesigned Model 550A. The Model 550A made use of a floating chamber design that allows the use of .22 Short, Long and LR ammo in this semi-auto rifle. That feature was acomplished by using two ejectors but in 1946 the Model 550A was redesigned to use only one ejector and that became the Model 550-1.