7.62x39 Nitride Bolt Carrier Group (BCG)

7.62x39 Nitride Bolt Carrier Group (BCG)

This 7.62x39/Grendel Type 1 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 7.62x39 BCG will work with all AR15PARTS.COM UPPER ASSEMBLIES CHAMBERED IN 7.62x39/6.5 Grendel TYPE 1.

Specifications:

• 7.62x39/Grendel Type 1
• 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 (MIP)
• Shot Peened
• Black Nitride finish
• MADE IN USA