The TTI Ultimate Charging Handle is designed by Taran Butler to be the perfect size and feel, with its unique knurling and front serrations, to function during high-speed 3-Gun and Tactical operations. It is machined from billet stainless steel and coated with Ion Bond (95 Rockwell) in their Slate Gray finish. It is virtually indestructible. Mfg: Taran Tactical Innovations Made form billet stainless steel with a Ion Bond coating.