This Winchester manufactured second variation mainspring with the narrow front curve is for the post 64 model 94 top eject lever action carbine manufactured roughly between 1967 and 1977 with a serial number below 4,580,000 and is in near excellent condition with light wear. (file photo)

Note: Winchester model 94 top eject lever action carbines with the following serial numbers have been observed with this part:

30-30:  3370887 & 4455049