Complete Match Grade DPMS Pattern nickel boron coated .308 bolt and carrier that will work in DPMS pattern upper receivers.
Match Grade Bolt Carrier Assembly
Bolt: 9310 Steel, Case-Hardened, MPI tested, Nickel Boron Coated
Carrier: 8620 Steel, Heat Treated, Full Auto Rated, MPI tested, Nickel Boron Coated.
Gas Key: Original Colt Staked with Mil-Spec screws , Nickel Boron Coated
Cam Pin: Heat treated, Nickel Boron Coated
Info On Nickel Boron: 68 Rockwell C is 40% more wear resistant than chrome plating, with an ultra-low friction coefficient. Surface is actually harder than the substrate underneath and will not peel, flake, gall or rub off.
This is brand new never been in a gun. I ended up building my Mega lower and upper so I am selling this one.