RAIL MASTER LSR/LIGHT GRN AR15 UNIVERSAL RIFLE MOUNT LIGHT Manufacturer Model Number: 01-00020 Manufacturer: Crimson Trace Model: Rail Master Type: Accessory-Lasers and Sights Item Type: Accessory Finish: Black Weight: .90 Shipping Weight: 0.9 Feature: Fits Most M1913 Pic Rails Feature: 1000Lum LED Light|Green Laser Feature: Uses CR123 Batteries Optic Adjustable Objective: false Optic Reticle Illuminated: false