by Richard Mann posted on December 13, 2010 Optics Support NRA Shooting Illustrated DONATE Using Iron Sights on an AR-15 In this article AR, BUIS, iron sights, Magpul, XS Sight Systems, zeroing Related Stories Magpul MBUS Pro Offset Iron Sights XS Sight Systems Angle Mount Sights XS Sight Systems XS Sight Systems Gallery YHM Flip Rear Sight Most Popular New Pistols for 2024 New 2011 and 1911 Pistols for 2024 Keeping The Proper Perspective Body Language and Personal Defense New Lever & Pump Action Rifles for 2024 Home Defense Pistol Skills