This Stevens manufactured mainspring plunger screw is for the Favorite model 1915 single shot falling block rimfire rifle and is in very good condition exhibiting a grayish brown patina with slot wear. (file photo)
Note: Stevens Favorite model 1915 rimfire rifles with the following serial (batch) numbers have been observed with this part: E145, E805, K80, L50, L679, Q539, T832 & Y788
