X300 ULTRA LED 1000LM SCRW MNT BLK|THUMB SCREW MT|1000 LUMENS Manufacturer Model Number: X300U-B Manufacturer: SureFire Model: X300 Ultra WeaponLight Type: Accessory-Lights Item Type: Accessory Finish: Matte Weight: .45 Shipping Weight: 0.45 Feature: Includes (2) 123A Batteries Feature: Rail-Lock Mounting System Feature: 1000 Lumen Output Optic Adjustable Objective: false Optic Reticle Illuminated: false