Trinity Force AR-15 QF B.U.S Aluminum Flip-Up Sight Set

The QF B.U.S. (Back-Up Sight) can be used as both a back-up sighting system for rifle optics or as a primary sighting system. The sights must be manually flipped up and are secured using the sight's internal tensioning feature. AR15 Flip-Up Sights (Tactical) Front AR15 Flip-Up Front Sight - Back-Up Iron Sight Flip-Up A2 Front Sight Post folds down out of view of your optics when not in use The A2 Front Sight Post is fully adjustable for elevation Aluminum and Steel Construction AR15 Flip-Up Sights ( Tactical ) Rear AR15 Flip-Up Rear Sight - Back-Up Iron Sight Mounts onto the AR15 flat-top receiver, directly onto the Picatinny rail Aluminum and Steel Construction Weight (oz)3 Width (in)1.1 Length (in)1.3 MaterialAircraft Grade Aluminum, High Strength Steel Coating TypeHard Coat Anodized Finish ColorBlack