Kratos Design Group MLOK Angled QD Mount Black. The 4140 material boasts a tensile strength of 95000psi making it extremely durable and able to withstand years of abuse. Kratos Design Group Angled QD MLOK Sling Mount includes MLOK hardware and is backed by our lifetime warranty. The included MLOK hardware uses nitrided MLOK nuts and screws with a tensile strength of 170000psi. Strength is in our name and we apply that philosophy to every aspect of our products. The MLOK screws require a 5/32 Allen wrench (not included). The included screws have thread locker pre-applied. Kratos Design Group recommends a torque value of 30-35in/lbs for mounting on aluminum handguards. A torque value of 12-15in/lbs is recommended for Magpul polymer handguards. Specifications for Kratos Design Group MLOK Angled QD Mount: Manufacturer: Kratos Design Group Color: Black Fabric/Material: 4140 Steel Weight: 1.1 oz Finish: Nitride Package Contents: Kratos Design Group MLOK Angled QD Mount Kratos Design Group AQD-M-KDG: MLOK Angled QD Mount Black