Mainspring - Original
This Winchester manufactured mainspring is for the model 77 semi-auto rimfire rifle and is in near excellent condition with light wear. (file photo)
Note: Winchester model 77 detachable magazine rimfire rifles with the following serial numbers have been observed with this part: N.S.N., 3385, 21962, 27185, 27271, 27369, 72897, 73225, 79050, 130287, 146085 & 162478
- Manufacturer: Winchester
- Manufacturer ID: 62Win: 4377
- Product Code: 20085-77DM
- Availability: 1
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$13.95