Sylvan Arms Quick Detach Picatinny 3 Slot Rail Mount allows for ease of attaching and detaching rail sections without using tools and within a matter of seconds! Perfect for Quick, Tactical and Range changes within a matter of seconds! Designed for M-Lok rails Product Details Material: 6061-T6 Aluminum Finish: Black Anodized 100%25 satisfaction guarantee. Backed by Sylvan Arms 2-year warranty!