Includes: Sling Mount, Picatinny Base, Nuts, and Bolts Materials: 6061 Aluminum Compatibility: Picatinny Weight: >1 oz Length: Varies Color: Black Warranty: Lifetime The Monstrum Sling Mount with Quick Detach Swivel is a modular sling attachment point that installs to rifles and shotguns. Available for botPicatinny standard mounting platforms, in multiple sling swivel orientations for your preferred sling setup. The sling head can be attached and removed instantly from the base via the push button detach mechanism. The swiveling head provides free rotation of sling while remaining securely fastened to base.