This Winchester manufactured takedown model (trigger) guard is for the Second model 1890 slide action rimfire rifle and has the third variation top tang marking. This guard is in very good condition exhibiting a brownish gray patina with light wear. (file photo)

3rd Variation Marking:  "Model 1890 / -Winchester- / Trade Mark"

Note: Winchester Second model 1890 slide action rimfire rifles with the following calibers and serial numbers have been observed with this part: 191868

22 Short:

22 Long:

22 W.R.F.: 210779 (tang only) & 261432 (both)