This Winchester manufactured hammer spring is for the 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, 601348, 602902, 616458 & 641137

B Prefix: B1113193, B1121661, B1334526, B1516483, B1707786, B1850799, B1852446, B2075043 & B2109865