The Streamlight Jack-Cap is a specialized tail cap switch designed for the ProTac Rail Mount HL-X Pro series. It provides critical operational redundancy by offering both standard push-button operation and remote pressure switch connectivity in a single unit. This allows users to maintain light control regardless of their preferred activation method. Black Anodized Aluminum construction, Length 7.0, Width 4.0. Built from rugged aluminum with a durable finish, it is engineered to withstand tactical use. This accessory ensures that your weapon light remains functional and versatile in the field, allowing for quick transitions between different mounting configurations and switching needs.