Meprolight Mepro FRBS - Self Illuminated Flip Polymer Desert Back-up Rifle Sights 4 Dot Rear/Orange Hyper Bright Front

Features:Low profile and lightweight design.Can be used as a primary or back-up sight.Manually adjustable, no tools needed.Durable fiberglass reinforced polymer and metal construction.Spring-based locking mechanism - will not break or deform.Compatible with all MIL-STD 1913 Picatinny rails.12 years warranty for Night Sight luminance.