This Winchester manufactured first variation breech bolt sleeve assembly is for the very early 1937 manufactured pre-64 model 70 bolt action rifle and is in very good condition with light wear. This assembly consists of the first variation breech bolt sleeve lacking the safety lock pin, sleeve lock assembly, first variation safety lock assembly and the firing pin stop screw.  (file photo)

Note: Winchester pre-64 model 70 bolt action rifles with the following serial numbers have been observed with this part: 4883