Replacement charging handle offers a quick reliability upgrade to your AR. Lightweight aluminum construction keeps weight to a minimum, while the super-slick, self-lubricating NiB-X nickel-boron surface coating ensures smooth cycling and gives nothing for fouling or grit to adhere to, so it facilitates quick, easy cleaning, too. Mfg: Wmd Guns SPECS: Aluminum, NiB-X nickel boron coating, silver-gray finish. 6 3/4″ (17.1cm) long. 2″ (5cm) wide gasping surface. Fits mil-spec AR-15/M16 upper receivers.