The Magpul RVG Rail Vertical Grip is a lightweight vertical foregrip designed to attach to 1913 Picatinny railed handguards. Made from the same high quality and lightweight polymer as other Magpul products. The RVG has a textured design for a positive gripping surface in all environments. The grip has been optimized for use with the "thumb break method" of shooting and can also be used as a traditional vertical foregrip. Made in U.S.A.