This Winchester manufactured firing pin stop is for the model 1890 slide action rimfire rifle and is in very good condition exhibiting a brownish gray patina with light wear. (file photo)
Note: Winchester model 1890 slide action rimfire rifles with the following calibers and serial numbers have been observed with this part:
22 Short: 392480, 637738 & 644101
22 Long: 790566
22 WRF:
