This Remington manufactured breech block sub-assembly is the for the model 121 slide action rimfire rifle in 22 S, L & LR caliber and is in very good condition with light wear and some specks of rust staining. This sub-assembly consists of the breech block and the extractor assembly.  (file photo)

Note: Firearms with the following serial numbers have been observed with this part: 8992.

Request this Product