Streamlight 89027 ProTac Rail Mount 1L-X USB 850-Lumen Weapon-Mounted Tactical Light Black

The Streamlight ProTac Rail Mount 1L-X USB (89027) is a compact, multi-fuel, high-output weapon-mounted tactical light engineered for short-barreled rifles, carbines, and submachine guns. Delivering 850 lumens and 30,000 candela of focused beam output, this light is built for law enforcement, military, and serious tactical applications where reliable illumination is non-negotiable.

Key Features:

• 850-Lumen High Output: Produces 30,000 candela with a beam distance of up to 378 yards for powerful, far-reaching illumination
• Multi-Fuel Compatibility: Operates on the included SL-B9 USB rechargeable Li-Ion battery pack or accepts a standard CR123A lithium battery as a backup
• TEN-TAP® Programming: Three user-selectable operating programs — (1) High/Strobe (factory default), (2) High Only, or (3) Low/High
• Multiple Output Modes: High (850 lm / 0.5 hr on SL-B9), Low (100 lm / 4.5 hr on SL-B9), and Strobe
• Standard Push-Button Tail Cap: Provides intuitive, no-fuss activation without requiring a pressure pad
• Rail-Mount Ready: Attaches to M1913 Picatinny and M-LOK® compatible rail systems for secure, low-profile weapon mounting
• Aircraft-Grade Construction: Built from 6000-series machined aluminum with an anodized finish and gasket-sealed tempered glass lens
• IP67 Waterproof Rated: Sealed to withstand submersion to 1 meter for up to 30 minutes, delivering reliable performance in harsh field conditions
• Compact & Low-Profile: 4.64 inches in length and 5.5 oz., designed to minimize rail bulk while maximizing output

The ProTac Rail Mount 1L-X USB is the ideal weapon light for operators who demand high-lumen performance in a streamlined, rechargeable-capable package. The SL-B9 battery can be recharged via USB without being removed from the light, keeping your kit ready when it matters most.