This Winchester manufactured second variation complete breech bolt assembly with the second variation safety lock and early variation bold handle lacking the hole is for the early pre-64 model 70 bolt action rifle in 220 Swift, 243 Win, 257 Robts, 308 Win and 358 Win caliber and is in very good condition with light wear. (file photo)

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

220 Swift: 16738