This Winchester manufactured 5 1/2" long early variation return spring is for the earlier model 190 semi-auto rimfire rifle and is in near excellent condition with light wear. (file photo)
Note: Winchester model 190 semi-auto rimfire rifles with the following serial numbers have been observed with this part:
No Prefix: 564118, 576772, 601348, 602902, 616458 & 641137
B Prefix: