If you use iron sights as a backup or secondary means of target acquisition, AR 15 flip-up rear sights might be just the thing to give you the options you want. A folding rear sight is an excellent way to be sure you have that secondary sight equipped without having to deal with it snagging on equipment and foliage. AR 15 flip-up rear sights allow shooters to adapt to their operating environment fluidly wherever they are. Using an AR 15 folding rear sight like this is a great option for the shooter who needs to be able to switch from long distance to close range shooting at will. Del-Ton, Inc. offers rear flip-up iron sights from great manufacturers such as Magpul, ARMS and Troy, so you can choose the flip-up sight thatís right for you without running from one site to another. Itís all right here.