This Marlin manufactured carrier rocker screw is for the model 1892 & 92 lever action rifle and is in very good condition exhibiting a grayish brown patina with light slot wear. (file photos)
Note: Marlin model 1892 & 92 lever action rimfire rifles with the following calibers and serial numbers have beeen observed with this part:
1892 in 22 Rimfire:
92 in 22 Rimfire: 400471 & 406506.