Complete Mil Spec M16 bolt carrier group.
Bolt: 9310 Steel, Phosphate Finish
Carrier: 8620 Steel, Chrome Lined, Phosphate Finish
Extractor: 4140 Steel, Phosphate Finish
Bolt: 9310 Steel, Phosphate Finish
Carrier: 8620 Steel, Chrome Lined, Phosphate Finish
Extractor: 4140 Steel, Phosphate Finish