Nickel Boron Low Mass Light Bolt Carrier Group – AR15 M16 .223 – 5.56

This Nickel Boron Low Mass Bolt Carrier Group comes fully assembled and complete ready to drop in your AR15, M16, or M4.

• Weight 8.8 oz
• 5.56 – .223
• Nickel Boron
• 9310 Steel Bolt
• MPI Bolt (Magnetic Particle Inspected)
• Shot Peened Bolt
• Grade 8 Hardened Fasteners
• Key Staked per Mil-Spec
• Black Extractor Insert
• Crane O-Ring
• SKU#-DT17-012