The TRUGLO Universal Red Dot Sight Picatinny Riser Mount is designed to raise micro sights to co-witness height. Compatible with popular optic models, the Universal riser is great for AR pistols and carbines. FeaturesCompatible with popular optic modelsGreat for AR pistols and carbinesT.O.P.S. unviersal adapter plates (most major optic brands)Raises micro sights to co-witness heightCNC-machined aircraft-grade aluminum