The Surefire X300 Ultra LED weapon light delivers an impressive 1000 lumens of output, ensuring maximum visibility in low-light conditions. With a length of 3.75 inches, this model features a durable black anodized finish and is compatible with Picatinny, Weaver, and Glock rail systems.Key FeaturesLumens: Provides a powerful 1000-lumen output for superior illumination.Mount Type: Designed to fit Picatinny, Weaver, and Glock rails for versatile mounting options.Style: Engineered as a gun-mounted weapon light for tactical and personal defense applications.