This Remington manufactured bolt sub-assembly is for the model 510 Targetmaster bolt action rimfire rifle and is in very good condition exhibiting a grayish brown patina with a few specks of light surface rust and light wear. This sub-assembly consists of the bolt, left and right extractors, both extractor pins and the extractor spring. (file photo)

Note: Firearms with the following date codes (month and year of manufacture) have been observed with this part: CL (April 1942), ESS (Oct. 1947).