Black River Manufacturing Modular MLOK Angled Grip Black. Made from aluminum the grip is a great lightweight addition to any MLOK hand guard. Specifications for Black River Manufacturing Modular MLOK Angled Grip: Manufacturer: Black River Manufacturing Material: 6061 Aluminum Fabric/Material: 6061 Aluminum Mount Type: M-LOK Features of Black River Manufacturing Modular M-Lok Angled Grip Angled Grip Modular MLOK Package Contents: Black River Manufacturing Modular MLOK Angled Grip Black River Manufacturing BRAGBK: Modular MLOK Angled Grip Black