100% Risk Free, Lifetime Warranty Includes: Shotgun Adaptor, Sling Mount, Flashlight Mount Materials: 6061 Aluminum Alloy Compatibility: Custom designed for the Mossberg 590 Shockwave. Not compatible with other shotgun models. Weight: 3 oz Length: 1.575" Color: Black Warranty: Lifetime Equip your Mossberg Shockwave Shotgun for any situation with one seamless attachment - the Mossberg Shockwave Slim Profile Accessory Mount System from Monstrum! The slim profile design is custom designed for the short form factor Mossberg 590 Shockwave. Not compatible with other shotgun models.