UTG PRO Model 4/15 Mid Length Quad Rail System, RIS, Black

Clever Top/Bottom Two-piece Design with Integral Spinal Cords/Alignment Housing for Great Fit Designed with Innovative Alignment Tabs at the Front for Perfect Fit with the Standard Triangular Front Cap Fits Middle Length Model 4/15 Includes Four Picatinny Rails Each with 27 Continuous Slots Great Zero-retention Capability for All Accessories Installed on the Rails Easy Installation with No Modification to the Barrel Proudly Made in USA with Superb Design and Production Black Rubber Rail Guards Included