SureFire M620P Fury Scout Light Rail-Mountable LED WeaponLight Tanbr High-performance recoil-proof LED generates 600 lumens of blinding white light and continues producing tactical-level light for 15 hours br Precision reflector provides a wider beam pattern increasing situational awareness for close quarter operations br Construction Mil-Spec hard-anodized aerospace aluminum optically coated tempered window O-ring and gasket seals br Ergonomic tactical switching click-onoff tail cap and pressure-activated tape switch both included br Integral Swing-Lever clamp attaches securely to Picatinny rails even those that are out of spec