This Winchester manufactured extractor is for the pre-64 model 70 bolt action rifle in 220 Swift, 243 Win, 250 Sav., 257 Robt., 270 Win., 7mm Mauser, 308 Win., 30-06 Sprg., 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

30-06Sprg: 411127 & 424218