Upgrade your weapon by adding the Daniel Defense Rail Mount Fixed Front & Rear Sight that helps guide your aim precisely on target. Daniel Defense machined these one-piece AR 15 Parts from hard anodized 6061-T6 aluminum for optimal strength at a lighter weight than other materials, and the coating ensures your new sights will outlast corrosive elements and abrasions. The streamlined design of this Daniel Defense Rail Mount Fixed Front & Rear Iron Sight makes it unobtrusive and snag-free, and the concave radius on both sides of the sight allow any handed shooter to activate any light attachments instantly. Go with the rock-solid Daniel Defense Rail Mounted Fixed Front & Rear Sight (Rock & Lock) when you need a reliable iron sight for your weapon.