by Richard Mann posted on December 13, 2010 Optics Support NRA Shooting Illustrated DONATE ** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** 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 Gallery XS Sight Systems YHM Flip Rear Sight Most Popular Concealed Carry Is A Lifestyle New for 2018: Franklin Armory Reformation Ruger Acquires Anderson Manufacturing First Look: Springfield Armory Saint Victor 8.5” 9mm Pistol First Look: Ruger LCP Max With Thumb Safety New Handguns for 2025