Transform your AR-15 with our Nitride Skeletonized Low Mass Bolt Carrier Group, coated in stunning Gold Titanium Nitride for exceptional durability. Its 8620 steel bolt carrier, paired with a 9310 bolt MPI (Magnetic Particle Inspected), ensures reliability and performance. The skeletonized design not only reduces weight to 8.6 oz but also minimizes friction for smoother operation. Made in the USA, this bolt carrier group is heat treated for heavy-duty use and compatible with dust covers. It also comes with a 1-year warranty, making it a perfect upgrade for your AR-15.