This Winchester manufactured grooved wood forearm with escutcheons is for the model 1906 slide action rimfire rifle and is in very good condition with light dings and handling marks. (file photos)
Note: Winchester model 1906 takedown slide action rifles with the following serial numbers have been observed with this part:
100K: 163781
400K: 405314 & 442486
600K: 611843 & 655997