ArmorLube AR-15 Bolt Carrier Group


ROBAR is now offering Bolt Carrier Groups with ArmorLube™. All parts are machined, heat treated & finished to US mil-specs all steel is correct including 158 Carpenter steel for the bolt.  The bolts are shot-peened, heat treated, and 100% Magnetic Particle Inspected per US mil-spec.

ROBAR AR15 Bolt Carrier Group specs:

  • Bolt Carrier – MilSpec 8620 Steel Shot Peened
  • Bolt – Carpenter 158 Steel Shot Peened and Pressure Tested, then Magnetic Particle Inspected
  • Extractor – 4140 Heat Treated with Black Nylon Extractor Spring Insert, M16 MilSpec Spring, and NSW Crane O ring
  • ArmorLube™ Coating

ArmorLube™ is a DLC coating that has an adhesion similar to a plating done via Plasma Vapor Carbon Activated Deposition which allows for a surface hardness beyond what the Rockwell scale can measure.

Out of stock

Additional information

Weight 1.5 lbs
Dimensions 6 × 4 × 4 in
NP3 or NP3+

NP3, NP3+

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