223/556 Nitride Bolt Carrier Group (BCG)
SKU: BC55NNI

223/556 Nitride Bolt Carrier Group (BCG)

AR15Parts.com
$140.00

223/556 Nitride Bolt Carrier Group (BCG)

This .223/5.56 Bolt Carrier Group (BCG) is manufactured by Swan Machine specifically for AR15Parts.com.  It is built to Mil-Spec standards that include a 9310 steel bolt assembly that is nitride treated for durability, a nitride treated 8620 steel carrier assembly, and a properly staked gas key (grade 8 fasteners).  This .223/5.56 BCG will work with all AR15PARTS.COM UPPER ASSEMBLIES CHAMBERED IN 223/556/300BO/350L/204R.

Specifications:

  • 5.56/223/300BLK/204 Ruger/350 Legend
  • AR15/M16/M4 Mil-Spec Profile 
  • 8620 Steel Carrier
  • 9310 Steel Bolt
  • MIM Steel Extractor w/ Crane (NAVSPECWAR) o-ring & spring
  • Mil-Spec Staking on the Keys
  • Magnectic Particle Inspected (MPI)
  • Shot Peened
  • Black Nitride finish
  • MADE IN USA
Full Description
Current Stock: 195
  • Description

    223/556 Nitride Bolt Carrier Group (BCG)

    This .223/5.56 Bolt Carrier Group (BCG) is manufactured by Swan Machine specifically for AR15Parts.com.  It is built to Mil-Spec standards that include a 9310 steel bolt assembly that is nitride treated for durability, a nitride treated 8620 steel carrier assembly, and a properly staked gas key (grade 8 fasteners).  This .223/5.56 BCG will work with all AR15PARTS.COM UPPER ASSEMBLIES CHAMBERED IN 223/556/300BO/350L/204R.

    Specifications:

    • 5.56/223/300BLK/204 Ruger/350 Legend
    • AR15/M16/M4 Mil-Spec Profile 
    • 8620 Steel Carrier
    • 9310 Steel Bolt
    • MIM Steel Extractor w/ Crane (NAVSPECWAR) o-ring & spring
    • Mil-Spec Staking on the Keys
    • Magnectic Particle Inspected (MPI)
    • Shot Peened
    • Black Nitride finish
    • MADE IN USA
  • Details

    Details

    Current Stock: 195
    SKU: BC55NNI
    Availability: Usually Ships in 24 Hours
    Old SKU: 556223PNBCG