Proudly Designed and Made in USA Mil-spec 4-slot Picatinny Rail Section Fully Compatible with Any Keymod Mounting Platform Features Optimal Profile (0.375" Saddle Height) for Versatile Accessory Attachments and Modular Applications Innovative Rail Edge Design Providing True Continuous Rail Slots When Connecting Multiple Rail Sections Precision Machined from Aircraft Grade Aluminum Alloy with Hard Coat Anodizing Includes Required Keymod Compatible Steel Locking Nuts, Steel Allen Screws and Allen Wrench for Installation