This Winchester manufactured late variation peep sight plug screw (filler screw) is for the top tang on the model 1906 slide action rimfire rifle and is in very good condition exhibiting a brownish gray patina with light slot wear. (file photo)

Note: Winchester model 1906 takedown slide action rifles with the following serial numbers have been observed with this part:

Below 100K:

100K:

300K: 312061, 333347 & 359560

400K: 405314 & 442486

600K: 611843 & 655997

700K: 785298