WMD Guns NiB-X Black AR-15 Bolt Carrier Group

WMD brings the advanced performance of NiB-XA(R) nickel boron and other performance coatings to one of the most critical components on your AR. WMDs premium BCG is coated in their proprietary NiB-XA(R) nickel boron coating and polished to a presentation-grade sheen, this top-quality BCG resists fouling, needs practically no lubrication, and can be cleaned with a quick wipe of a cloth. They offer a variety of calibers and other performance finishes on BCGs. WMD ran thousands of rounds between cleanings without malfunctions. Military personnel have praised its performance in desert conditions (where heavy lube buildup could attract deadly dust and grime). You'll find that it provides extraordinary reliability...while dramatically reducing the cleaning time. Specifications: Bolt: Case hardened 9310, shot peened, magnetic particle inspected, with high-performance extractor, ejector springs, gas rings and special O-ring buffer. NiB-X Black coated. Firing Pin: Manufactured, heat-treated, hardened, c