Ergo Grip Bolt Carrier Group (BCG)s for AR15/M16

A true mil-spec m16 BCG with forward assist serrations. Everything is Melonite coated (black nitride) except the extractor (phosphate) and the firing pin (chrome). This Magnetic Particle Inspected (MPI) BCG makes for a precise and excellent running rifle component. Specifications for Ergo Grip Bolt Carrier Group (BCG)s for AR15/M16: Manufacturer: ERGO Color: Black Finish: Black Nitride Fabric/Material: Hardened 9310 Steel Gun Make: AR Platform Gun Model: M16, AR-15 Bolt Material: 9310 Steel Carrier Material: 8620 Steel Features of Ergo Grip Bolt Carrier Group BCG for AR15/M16: MPI; Black Nitride finish; Case Hardened Package Contents: Ergo Grip Bolt Carrier Group for AR15/M16