This Winchester manufactured extractor ring and bolt stop extension is for the 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 confirmed with this part:
220 Swift: 16738
