AR-15 angle mount sights at the 2012 SHOT Show. The XTI with XS Express Standard Dot Tritium front, and White Striperear, are back-up iron sights designed for quick acquisition in CQB situations.

product line to include Big Dot Tritium Express and 24/7 Tritium Angle Mount Back-Up Iron Sight upgrades for your AR-15/M-16. Designed for firearms equipped with handguard mounted top picatinny ...