Firing Pin Assembly - Original

Firing Pin Assembly - Original

This Remington manufactured firing pin assembly is for the model 550-1 semi-auto rimfire rifle and is in very good condition with light wear. (file photo)

Note: Remington model 550-1 semi-auto rimfire rifles with the following date codes and years of manufacture have been observed with this part:

1940's: (KUU) May 1949, (DUU) Sept 1949 & (EUU) Oct. 1949 

1950's: (CWW) April 1950, (LXX) February 1951, (LYY) February 1952, (RYY) Nov. 52, (PZZ) June 53, (LB) Feb. 55, (WB) Aug. 55, (AC) April 56, (XD) Dec. 1957, (OE) July 58

1960's: (OH) July 61

  • Manufacturer: Remington
  • Manufacturer ID: 75Rem: 20490
  • Product Code: 10686-550-1
  • Availability: 1
  • $38.50