The philosophy of Nightforce is highly specialized and focused on building the ultimate instrument for the application. Our research and testing has developed new standards in manufacturing and quality control. Every Nightforce scope is assembled at our factory in North Central Idaho. All Nightforce scopes are 100% inspected and certified, passing vigorous testing prior to shipping. Our commitment to ultimate riflescope performance by using cutting edge technology and advanced mechanical designs is unparalleled in the industry. All NXS models share exceptional features, making them the finest riflescopes ever produced.