Here's a how to video on zeroing AR-15 iron sights. In the video I use a Magpul MBUS rear and an A2 front sight but the process is the same regardless of the sights used. Here's the target link: www.facebook.com/photo.php?fbid=428789477234124&set=pb.148004891979252.-2207520000.1378058970.&type=3&theater www.facebook.com/mrgunsngear www.twitter.com/mrgunsngear Music: Music used: Deliver Us From Evil (band) Walk Into My Grave (song) & Dance of Pixies by Machinimasound.com Licensed under Creative Commons CC-BY 3.0 Unported License | machinimasound.com/license