The Streamlight ProTac Rail Mount HP-X Pro Long Gun Light delivers an impressive 105,000 candela, cutting through smoke, fog, and photonic barriers with ease. Designed for versatility, it features multi-fuel capability, running on either a Streamlight SL-B26 rechargeable battery or two CR123A lithium batteries. Its Jack-Cap tail switch provides operational redundancy, allowing users to choose between a push-button or remote pressure switch operation. Built for durability, it boasts anodized aluminum construction, an impact-resistant BOROFLOAT glass lens, secure MIL-STD-1913 rail mounting, and IPX7 waterproofing, making it a reliable choice for demanding environments.