Tyrant CNC Concept One HandStop M-LOK and KeyMod Blue. The Concept One HandStop boasts a small but wide frame made from 6061 aluminum that includes soft durometer rubber front and back straps. This combination equals long lasting durability without compromising ergonomics. Whether you prefer MLOK Grips or KeyMOD Grips their two in one MLOK+KeyMod technology offers you the versatility needed to attach this foregrip to almost any rifle. Taking up only one MLOK or Keymod slot on your AR handgaurd/rail the Concept One HandStop adds a tremendous amount of control without taking up valuable surface area on your AR. Specifications for Tyrant CNC Concept One HandStop: Manufacturer: Tyrant CNC Fabric/Material: Rubber 6061-T6 Aluminum Condition: New Mount Type: M-LOK Features of Tyrant CNC Concept One HandStop MLOK & KeyMod hardware Rubber front and back straps Beveled aluminum edges Package Contents: Tyrant CNC Concept One HandStop Tyrant CNC TD-C1HS-Blue: Concept One HandStop M-LOK and KeyMod Blue