Troy Rear Di-Optic Aperture (DOA) Folding BattleSight, FDE - SSIG-DOA-RFFT-00

These sights provide lightning fast target acquisition and are manufactured to exceed military specs. The optically engineered apertures center your eyes instantly and effortlessly providing a clearer target picture than with round apertures.The sights feature two settings, one for up to 300 meters and a second for up to 500 meters. This versatility makes the DOA ideal for military, law enforcement and home defense applications. These advanced sights have been extensively field-tested and, like all Troy Industries products, are BattleReady.Features:a Faster target acquisition with Di-Optic Aperture.a Increases accuracy to 550m.a Quick installa Easy to adjusta 0.460" profile when foldeda Protected adjustment wheelNote: Sight is designed to work on same plane rail systems only. It will not work with a railed gas block that is higher or lower than the receiver but will work with our Gas block Front sights.