This Winchester manufactured sear with the large notch at the top is for the model 77 semi-auto rimfire rifle with a detachable magazine and is in very good condition with light wear. (file photo)
Note: Firearms with the following serial numbers have been observed with this part: N.S.N., 69175, 72897, 73225, 128474, 130287, 146085, 157240 & 162478.
