Ultimate Arms Gear Tactical Aluminum 1" Flashlight Light Laser Offset Ambidextrous Weaver Picatinny Rail Mount Easy To Install - Fits Securely On Any Standard 7/8" Weaver-Picatinny Rail Works With 1" Diameter Flashlights Or Lasers ( Light Or Laser Not Included) Constructed Of CNC Machined 6061 Aircraft Grade Aluminum Great For Rifles, Shotguns, Pistols