WE SHIP FAST! 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. HIGH QUALITY IRONS BUILT FOR THE LONG HAUL. NTCELITE.COM and NTCELITE.US Easy to install and use, no levers or springs to fumble with, these sights position apertures at exact factory height. A steel cross locking system ensures sights remain upright and zeroed under extreme combat conditions. A push of a button folds the high quality aluminum sights securely out of the way until you need them again Durable and duty ready. These HK style iron sights are ready for immediate duty use for at home and abroad. No frills packaging. High quality, rugged, durable and dependable. 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. 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. This is something that is lost with larger big box stores of today. Our thick wilderness backyard, deep freeze and long winters allow us to test our products on the ragged edge. We are transitioning between warehouses currently so we will be continually updating with new listings.