M16 Bolt Carrier Group — 5.56, Flat Dark Earth

Outerwild's house made M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. The "Armor Guard" PVD coating on these BCGs provides a very low coefficient of friction while providing a unique look and increased reliability. Properly built, no corners cut. 

• 8620 M16 Style Carrier
  • Armor Guard Coating (PVD)
  • Heat Treated
  • Final Grind Before Plating
• 9310 5.56/.223 Bolt
  • Heat Treated
  • Shot Peened
  • Blacknitride+™ by H&M
  • MPI
• 4130 Billet Gas Key
  • Armor Guard Coating
  • Properly Seated with Grade 8 Fasteners
  • Properly Staked 
• 4140 Cam Pin 
  • Blacknitride+™ by H&M
• Billet Extractor
  • Heat Treated
  • Shot Peened
  • Phosphate Coated
  • Extractor insert included
  • O-Ring Included
• Heat Treated & Ground 8640 Hard Chrome Plated Firing Pin
• 100% American Made