This is a robust one-piece, low profile, vertical forward grip. It has been machined from billet T6 aluminium and comes in an aggressive pattern like a grenade. This pattern helps with grip as well as control. This piece only weighs 2.8oz but is a rugged vertical forward grip that can be directly attached to any M-LOK rail with the included mounting hardware. Easy installs on any MLOK rail system. MILSPEC materials. Easy installs on any MLOK rail system MilSpec materials Color: Black Fabric/Material: Billet T6 Aluminum Attachment/Mount Type: M-LOK Length: 3 in Weight: 2.8 oz. U.S. Military Specification Typer III black hardcoat anodized