WMD Guns of Stuart, Florida is now offering “The Beast†to the AR-15 market. Known for their Nickel Boron coated parts and accessories, The Beast will be chambered in 5.56mm/.223. The Nickel Boron (NiB-X) coating on nearly every major component should catch the shooter’s eye. The barrel is coated in Nickel Boron, which WMD claims assist the rifle in heat dissipation.