This Stevens manufactured second variation breech block is for the Favorite single shot falling block rimfire rifles in 22 LR caliber which have the 2nd variation (6 o 'clock style) extractor with the wider top section and the 2nd variation lever without the bushing and plunger assembly and is in very good condition exhibiting a grayish brown patina with light wear. (file photo)

Note: this part is commonly found on 3rd thru 6th variation receivers.