This Winchester manufactured (trigger) guard assembly is for the model 77 semi-auto rimfire rifle designed for the detachable magazine and is in very good condition with light wear. This guard assembly consists of the (trigger) guard, magazine lock, magazine lock pin, and magazine lock spring. (file photo)

Note: Firearms with the following serial numbers have been observed with this part: N.S.N., 3385, 27185, 27369, 72897, 130287, 146085 & 162478.