1 year warranty against defects in materials and workmanship that adversely affect the operation for a period of one (1) year from the date of the original purchase by the initial consumer. NTC ELITE MOD 3 FLIP UP IRON SIGHT SET, THE MINUTEMAN. OUR ENTRY LEVEL FLIP UP SIGHT AT A LOW PRICE. Rugged, durable, and dependable. HEAVY DUTY SPRINGS GUARANTEE DEPLOYMENT EVEN WHEN COVERED IN MUD AND SNOW UNDER ADVERSE CONDITIONS. Flip up sights rapidly deploy, flip down securely when not in use. Superior components and tolerance. Springs are built for duty use and therefore have a much stronger and more durable spring constant. We designed these to be low profile to keep from snagging on brush, and to be out of the way of optics. Our sights are crafted from high quality aircraft grade aluminum. Tight tolerances guarantee a solid lock up and solid lock down. Spring loaded for rapid deployment. Fully adjustable for windage and elevation. Why buy from us? Founded and based in Green Bay, Wisconsin, we have strict quality control standards for a reason. Our NTC ELITE gear has been deployed around the world, equipping the modern warfighter for the complexity of todays battlefields. For we are able to offer the best pricing and customer service because we are just that, a small business. We are the old fashioned common sense customer service company that knows its customers and strives to meet their needs.