This sleek and versatile Top Cover Rail seamlessly integrates onto your Heresy Design Vendetta Chassis and Rail system, instantly providing you with a top rail for effortless accessory mounting. Whether you're looking to attach optics, lasers, or other accessories, this ensures a secure and stable platform for all your customization needs. Crafted with precision and durability in mind, it's the perfect solution for enhancing the functionality and versatility of your firearm. Users can attach more than one of these to their rails to increase surface area for mounting, and direct thread MLOK accessories by simply removing the T-nut from the accessory and mounting directly into the p Mfg: Heresy Design Inc.