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Description:.......
8620 Steel Bolt Carrier.......
158 Carpenter Steel Bolt.......
4140 Billet extractor.......
Nickel Boron Durable Finish..........
Includes Bolt, Bolt Carrier, Extractor Pin, Firing Pin, Cam Pin.......
Properly Staked 4140 Billet Gas Key........
.308 Caliber.......
Mil-spec USA Made Heat Treated for Heavy Duty use........