WMD Guns Safety Selector Semi NiB-X Nickel. These Rifle Parts by WMD Guns are some of the highest quality levers you can buy for use with your AR platform rifle. Constructed of heavy duty steel the WMD Guns Rifle Safety Selector is one of the best products you can buy for an AR platform rifle. When you buy this WMD Guns Safety Selector you get a solid product that will last a lifetime. Specifications for WMD Guns Safety Selector: Manufacturer: WMD Guns Gun Make: AR Platform Gun Type: Rifle Package Contents: WMD Guns Safety Selector WMD Guns 1-NIBXSS: Safety Selector Semi NiB-X Nickel