Magpul Picatinny Rail Light Mount Fits on any standard 1913 Picatinny Rail; Available in Right or Left side models; Integrates with the Magpul XTM panels Positions the light high and cantilevered forward, at the 11 o'clock or 1 o'clock position, to allow a more forward support hand position, keep the light tucked in close to the bore, and to minimize barrel shadow Textured thumb ramp is integrated to provide the user an index point, aiding consistent hand placement and light activation Constructed of reinforced polymer; Includes everything you need to mount Surefire 300 and 600 series Scout Lights, 1913 Picatinny attachment pistol lights, and all light bodies from 0.75" to 1.03" in diameter Includes set of anodized aluminum mounting rings; Models are available to position the light high at 11 o'clock (LT, Left side model) or one o'clock (RT, Right side model)