This Winchester manufactured late variation inside magazine tube assembly without the friction spring notch is for the model 1906 slide action rimfire rifle in 22 S,L, & LR caliber and is in very good condition exhibiting a grayish brown patina and having some rust staining and honest wear. (file photos)
Note: Winchester model 1906 & 06 slide action rimfire rifles with the following serial numbers have been observed with this part:
Below 100K: 81649
100K: 148297, 162122, 163781 & 167513
300K: 312061, 333347 & 359560
400K: 405314 & 442486
600K: 611843 & 655997
700K: 785298