Durkin Tactical 5.56 Mil-Spec Bolt Carrier Group AR-15 DLC Finish

$149.99

In stock

Durkin Tactical 5.56 Mil-Spec Bolt Carrier Group AR-15 DLC Finish

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Description

The DLC coating on these BCGs is unique in that it changes color depending on the presence of oil and other liquids.  It can vary from bright blue to a light lavender color.

  • 8620 M16 style carrier
    • Diamond Like Coating
    • Properly heat treated
    • Final grind before plating
  • 9310 5.56/.223 bolt
    • Heat treated
    • Shot peened
    • MPI
  • 4140 billet gas key
    • Diamond Like Coating
    • Properly seated with Grade 8 fasteners
    • Properly staked to ensure reliability
  • 4140 Cam Pin
    • Heat Treated
    • Black Nitride Treated
  • Billet Machined Extractor
    • Machined from solid 4140 bar stock, heat treated and shot peened
    • Phosphate coated for reliable extraction
    • Extractor insert included
    • O-Ring included
  • Firing pin precision machined from 17-4 H-900 Stainless Steel
  • 100% USA Made

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