Product Description The Streamlight ProTac Rail Mount 1L-X is a compact, multi-fuel, high-output tactical weapon light purpose-built for short-barreled rifles, carbines, and submachine guns. Delivering a powerful 500-lumen LED beam with a reach of up to 268 meters, this weapon light provides exceptional visibility in low-light and no-light environments. Powered by either one (1) Streamlight SL-B9 rechargeable lithium-ion battery pack or one (1) CR123A lithium battery, the ProTac Rail Mount 1L-X offers unmatched power flexibility for mission-critical applications. The standard push-button tail switch enables intuitive operation, while an IP67 waterproof rating ensures reliable performance in harsh conditions. Constructed from aircraft-grade aluminum with a gasket-sealed glass lens and extensively live-fire tested, this light is the go-to choice for law enforcement, military, and tactical professionals. Product Highlights 500-Lumen High-Output LED: Produces 500 lumens with a beam distance of 268 meters for superior target identification in low-light environments. Multi-Fuel Flexibility: Compatible with one (1) SL-B9 rechargeable lithium-ion battery pack or one (1) CR123A battery, offering versatile power options in the field. Versatile Rail Mounting: Mounts directly to MIL-STD-1913 Picatinny rails and includes an M-LOK mount for compatibility with M-LOK rail systems. IP67 Waterproof Construction: Gasket-sealed glass lens and IP67-rated housing provide waterproof protection to 1 meter for 30 minutes with the standard push-button switch installed. Aircraft-Grade Aluminum Body: Durable, impact-resistant construction extensively live-fire tested for reliability in the most demanding tactical environments. Specs Brand: Streamlight Model: ProTac Rail Mount 1L-X MPN: 89026 UPC: 080926890268 Light Output: 500 Lumens Bulb Type: LED Beam Distance: 268 meters Battery Type: Streamlight SL-B9 Rechargeable Lithium-Ion or CR123A Lithium Battery Life: Up to 6.5 hours Water Resistance Rating: IP67 (waterproof to 1 meter for 30 minutes with standard switch) Switch Type: Standard Push-Button Tail Switch Color: Black Body Material: Aircraft-Grade Aluminum Weight: 5.5 oz Mount Compatibility: MIL-STD-1913 Picatinny Rail, M-LOK Includes: M-LOK Mount, Mounting Hardware, Tailcap Switch, (1) CR123A Lithium Battery Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.