The Midwest Industries MI Front Sling Adapter is specifically designed for M-LOK rail systems. This adapter is compatible with push button QD sling swivels and includes attachment hardware. The anti-rotation feature prevents the swivel from spinning during use.Key FeaturesMaterial: Constructed from hard coat anodized aluminum for durability.Dimensions: Measures 5.05 inches in length.Compatibility: Fits M-LOK rails for secure attachment.Included Accessories: Comes with necessary attachment hardware.