.308 NiB-X Nickel Boron and Nitrided Parts
.308/AR10 NiB-X Nickel Boron and Nitrided Parts that enhance performance, reliability and durability of your firearms. NiB-X eases cleaning and maintenance of firearms by not allowing fouling to adhere to its surface. Nitriding provides hardness and wear resistance in a rich black color, far superior to phosphate and bluing.