“In terms of innovation, one of the best I’ve seen (and own) is the WMD Guns Big Beast AR-10. WMD’s match-grade Beast (AR-15) and Big Beast (AR-10) are completely coated in proprietary NiB-X nickel boron. They’re as solid and as protected from wear, friction and environmental elements as rifles come.”
Read Kevin Reese’s article “The AR Rifle: This Dog Hunts, Too!” here