M16 Bolt Carrier Group, Phosphate, 5.56


71 in stock


  • M16 Profile
  • Machined from 8620 steel with forward assist serrations
  • Mil-Spec phosphate coating with chrome lined bolt channel
  • Made in USA

Assembled with:

  • Properly staked Nitride gas key
  • 5.56 Bolt is machined from 9310 steel, Shot peened, and Phosphate finished
  • Black o-ring insert on extractor
  • Enhanced AR-15 Firing Pin and Cam Pin

71 in stock

SKU: OA-M16-BCG-P-556-N Category:


This high quality Obsidian Arms M16 profile Bolt Carrier Group comes assembled with the Obsidian Arms Enhanced AR-15 Bolt Carrier Pin Kit and 5.56 bolt.


Go to Top