This Remington manufactured early variation breech block assembly with a checkered spur includes the firing pin and is for the No. 4 single shot rolling block rifle in 32 rimfire caliber and is in very good condition exhibiting a brownish gray patina with a few specks of rust. (file photo)

Note: Remington No. 4 rolling block rimfire rifles in 32 caliber with the following serial numbers have been observed with this part:

Solid Frame: 77951, 81812 & 130905

Takedown Frame: 155639 & 168955, J282251 & J-305717