These 6.5 Grendel/6MM ARC bolt carrier groups (BCGs) are Magnetic Particle Inspected (MPI) to ensure high performance. Made with durable 9310 Steel and compatible with all Rear Charging 6.5 Grendel and 6MM ARC uppers; the gas key is also staked from the side for enhanced durability. Experience high performance at a lower cost!
Specifications:
Caliber: 6.5 Grendel & 6MM ARC (as they have the same case head diameter)
Carrier Style Standard
Platform AR-15
Bolt Finish Parkerized
Bolt Material 9310 Steel
Carrier Finish Black Nitride
Gas Key Staked
Magnetic Particle Inspection: Yes
