This Remington manufactured inner magazine tube assembly is for the model 512 Sportmaster bolt action rimfire rifle and is in very good condition with light wear and some rust staining to the steel tube. (file photos)

Note: Remington model 512 Sportmaster rifles with the following date codes and years of manufacture have been observed with this part: (DXX) September 1951, (LZZ) Feb. 1953, (PZZ) June 1953, (DZZ) Sept. 1953, (LA) February 1954, (CA) April 1954 & (PC) June 1956