Check the listing for details. 3 Rail Light Mount for Mossberg 500 12 Gauge. Color: Black, Condition: New. Listed at 25.95 USD. This Tri-rail picatinny adapter rail mount for the Mossberg 500 is the perfect upgrade to your 12 gauge shotgun. This advanced, compact and light weight light mount attaches directly over the barrel lug, keeping it away from the barrel and allowing the removal of the magazine tube cap without having to remove the light mount! The mount set is made of lightweight and durable aluminum material, making it weather and water-resistant, as well as shockproof. The set includes a magazine tube/barrel lug mount with mounting hardware. This mount set is perfect for tactical use and comes with a 1-year manufacturer warranty. The mounting location is on the rail and the tube diameter is 1 inch. Add this versatile Mossberg mount to your shotgun today! Fits: Mossberg 500 and others. Description This is a Tactical Shotgun Rail Mount for the Mossberg 500 12 Gauge Shotguns. Mount attaches to the Magazine Tube and Barrel Lug. Perfect for mounting Dot sights, Lasers, Flashlights, Sling Points, and just about any other Weaver / Picatinny 1913 Rail Accessory. All Aluminum Construction. Black Anodized finish. This mount is a robust, durable, ready-for-action rail system constructed out of black anodized aluminum. Our Aluminum Rail prepares your shotgun for the range and your next hunting trip. Weight: 2.4 oz. Length: 1.4" Height: 1.68" Width: 1.78" Weight: 1.6oz Note: The flashlight is not included. Does NOT work with Streamlight TL Racker or most modified Magpul Forends when installed on a 14" barrel length Shockwave. Patent Pending.