This is M16 Bolt Carrier Group is a quality part for your next build. The full mass M16 pattern 8620 steel bolt carrier has been treated with a super slick salt bath nitride finish for easy cleaning, reduced friction, and a reduced need for lubrication. The 9310 steel6.5 Grendel II pattern bolt assembly has a durable manganese phosphate finish. A properly staked gas key rounds out the great features. To top it off, each bolt carrier group is magnetic particle inspected to give you peace of mind that your carrier group is from from material defects.
Bolt Material9310 Steel
Caliber Gauge6.5 Grendel Type 2
Carrier FinishSalt Bath Nitride
Carrier Material8620 Carpenter Steel
Carrier StyleM16 Bolt Carrier
High Pressure TestedUntested
Magnetic Particle InspectMagnetic Particle Inspected