Heresy Design Vendetta Top Cover Rail Black. Crafted with precision and durability in mind its 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 provided rail panels. Specifications for Heresy Design Vendetta Top Cover Rail: Manufacturer: Heresy Design Color: Black Features of Heresy Design Vendetta Top Cover Rail Lightweight Aluminum Design (2.9 oz) 3.15'' surface area Seamless Fit inside Vendetta Rails Limited Lifetime Warranty Package Contents: Heresy Design Vendetta Top Cover Rail Screw Allen Key Heresy Design HVTCE: Vendetta Top Cover Rail Black