Nickel Boron Low Mass Bolt Carrier Group 556 M-16


Upgrade your AR15, M16, or M4 with our Nickel Boron Low Mass Bolt Carrier Group. Weighing just 8.8 oz and featuring a 9310 steel bolt, this BCG is MPI and shot-peened for unmatched durability. With key staked per Mil-Spec and a black extractor insert, it ensures smooth, reliable performance. Compatible with standard 5.56/.223.

Availability: Out of stock SKU: DT17-005 Categories: , Tags: ,


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

Additional information

Weight 1.5 lbs




BCG Coating


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