The Gas Buster® Ambidextrous charging handle with oversize latchs is a safety device with ergonomic design that diverts harmful gases, oil and dirt particles away from the shooter.  This is a PRi Patented product.  Safety approved & used by the US Marine corps.  The charging handle is constructed of T6 7075 hard coat black anodized aluminum. the body of the handle is black and the latches are anodized flat dark earth.