NON-SERRATED LOW MASS M16 BOLT CARRIER GROUP

• Caliber: .223 / 5.56 / 300 Blackout
• Enhanced 9310 Steel (Bolt)
• 8620 Tool Steel (Carrier)
• Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
• Tool Steel Extractor
• Shrouded Firing Pin
• Mil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly staked
• Bolt is shot Peened and MPI
• Black Nitride Finish
• Weight: 8.610oz/ 244.05g