Crafted with precision the UTG PRO M-LOK QD Sling Swivel Adapter is expertly machined from durable 6061T6 aluminum featuring a sleek matte black anodized finish. Designed for seamless integration it mounts bidirectionally in a single M-LOK slot or between two adjacent slots offering versatile installation options. Its quarter-turn rotational stops prevent accidental swivel rotation ensuring your sling remains tangle-free. Compatible with any quick detach sling swivel with a 0.37-inch diameter stud it includes M-LOK T-nuts screws and an assembly tool for easy installation without the need for a gunsmith.