The CMC Triggers 81724 M-Lok 4-Piece Accessory Kit Black Anodized is designed for use with all M-LOK compatible handguards and forends, enabling the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights and vertical grips while maintaining a sleek, snag-free profile thanks to beveled edges. This aluminum rail kit integrates seamlessly with M-LOK systems, delivering practical versatility for custom configurations without adding unnecessary bulk. The kit includes a CMC M-LOK QD Sling Mount, a 3-slot Picatinny rail measuring 1.25 inches by 0.75 inches by 0.50 inches and weighing 2.0 ounces, a 5-slot Picatinny rail at 2.50 inches by 0.75 by 0.50 inches weighing 4.0 ounces, and a 7-slot Picatinny rail at 3.0625 inches by 0.75 by 0.50 inches weighing 6.0 ounces, all crafted from durable aluminum with a Black Anodized finish for corrosion resistance and long-term performance. The QD Sling Mount accepts any push-button QD swivel, with dimensions of 1.50 inches by 0.3125 inches by 0.50 inches and a weight of 2.0 ounces, providing secure, rapid-access mounting options for adaptable field setups.