308 AR10 LR308 NIB Nickle Boron Bolt Carrier Group .308
VERY HARD TO COME BY LATELY, GET THEM WHILE YOU CAN
Complete NIB AR-10 bolt carrier group has the quality & durability NIB IS notorious for durability at an incredible value. This precision-made BCG comes fully assembled and ready to drop in your AR-10 aka LR 308
Caliber: .308 Mil-Spec Made in the USA
9310 steel, MPI tested, case-hardened, nickel-boron coated
8626 steel, staked with original Colt Mil-Spec screws, heat-treated,
nickel-boron coated, full-auto rated
Original Colt Mil-Spec screws, staked, nickel-boron coated
Heat-treated, dual nested extractor springs exceeding Mil-Spec, nickel-boron
Heat-treated, nickel-boron coated
Complete Match Grade DPMS Pattern nickel boron coated .308 bolt and carrier that will work in DPMS pattern upper receivers.
NIB finish makes clean up easy, and they make a world of difference. Cycling is smoother and buildup can simply be wiped.
NiB-X Baked Coating, which provides extreme durability, performance, and reliability. The Nickel Boron coating is corrosion resistant and harder than Nickel Teflon, Melonite, or Hard Chrome with a hardness of RC 72. 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 or flake.
Please note due to the almost perfectly smooth finish of NIB it may show minor tool marks from machining, such as small swirls, but these are subsurface and do not affect the performance, and if we receive carriers with tool marks on the right side that is visible installed in the gun we return to the manufacturer. No returns taken on Bolt Carrier Groups. If defective, we will arrange shipment and return to Manufacturer Representative for Inspection/repair or replacement. Void if fired with Reloads or if Rifle is not assembled by a Manufacturer or Gunsmith. We stand behind our Products 100 %