5.45x39 Complete Bolt Assembly AR15 Bolt Phosphate AR-15
5.45x39 Bolt machined from case hardened 9310 Steel
Each bolt is shot peened and MPI tested per MIL-SPEC
Matte black Phosphate finish (some units may have a NI-B extractor)
Comes fully assembled and ready to drop in your carrier
Additional Info
Caliber 5.45x39
Material 9310 Steel
Finish Phosphate Black
Weight N/A
Other Info N/A