This Remington manufactured breech block is for the No. 4 single shot rolling block rifle in 22 rimfire caliber and is in very good condition exhibiting a dark brownish gray patina with a few specks of rust. (file photo)

Note: Remington No. 4 rolling block rimfire rifles in 22 caliber with the following serial numbers have been observed with this part:

Solid Frame: 44993

Takedown Frame: 162817 

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