This MAX-9 Long Slide Assembly with ReadyDot Sight allows for installation of micro red dot optics on MAX-9 pistols. This Slide Assembly comes equipped with a ReadyDot micro reflex light-gathering fiber optic red dot sight already installed. It also comes turnkey with all sights, 4-inch barrel, extractor and other slide components to simplify installation using the included installation instructions. This Genuine Ruger Factory Accessory is made in the USA.