Radian Weapons R0364 Raptor-Lt Charging Handle Sig MCX Black Aluminum/Polymer The Raptor-Lt Ambidextrous Charging Handle For Sig MCX provides Improved Ergonomics And Functionality compared To The Factory variants. Its Ambidextrous Design Allows Rapid Palm blading Or Finger-Thumb Charging Of The Weapon, ensuring The Motion Is Fluid And Fast From Either Strong Or Support Side. Utilizing The Same patented Ambidextrous Functionality as Its Predecessor, The Raptor-Lt Handles Are machined From 7075 Aluminum, MILSPEC Type III Hard anodized, then Over-Molded With High-Strength, Fiberglass Reinforced Polymer For The Ultimate Combination Of Strength, Weight, And Durability. Note: Not Compatible With Sig Sauer MCX Rattler. Model: Raptor-Lt Material: Aluminum/Polymer Finish: Black Hand: Ambidextrous