The TangoDown BGV-MK46 is the vertical foregrip that started it all becoming the standard for US Military small arms with unmatched utility and durability. Features rugged ergonomic design with premium heat and impact-modified injection molded polymers for long mission life.TangoDown BGV-MK46 Vertical ForegripFlat Dark Earth finish polymer constructionPicatinny rail compatible mounting systemWaterproof internal storage compartment with O-ring screw capMilitary-grade ergonomic designCompatible with MK18s M4s M16s M32 grenade launchers and MK 48 MOD 1 machine gunsTrusted by military professionals worldwide this foregrip delivers exceptional performance and reliability for tactical applications law enforcement and civilian sporting use.