FCC NOV G.Fighter Mod 4 Styled Charging Handle is an excellent replica. All FCC CNC charging handles were hard anodized aluminium CNC machine finished with realistic laser edged markings. An absolutely required item of a AR system lover. Fits all M16/M4 variants. It will give you much more fun, durable and reliable than the stock die cast parts. Get it and made your own rifle unique on field!