Shotgun Tri Rail Mount. This lightweight mount fits around the magazine tube with a steel strap that firmly clamps the mount into place. Mount is ideal for mounting flashlights, lasers, slings and more. Three 1913 MIL SPEC Picatinny Rails Steel Strap 6061 Aircraft Grade Aluminum CNC Machined Ambidextrous Type II Class 3 Hard Black Anodized Ultra Light Weight Lifetime Warranty 100% USA Made