The Monstrum Tactical Sling Mount with Keymod Adaptor Base is a modular sling attachment point that installs to your keymod equipped rifle. The keymod adaptor base is compatible with the universal keymod mounting system and includes all necessary mounting hardware. 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. All Monstrum Tactical mounts and accessories comes with a lifetime guarantee.