Leapers UTG MTU001S Pro Symmetrical Split Slim-Rail System - Model 4/15 Carbine Length is proudly made in the USA precision machined with maximum strength with a hard anodized finish. The Leapers Rail Mount System consists of two identical pieces for a quick and direct replacement of CAR length model handguard. Top/bottom rails are integrated with the rail mount, with top rail level with flat top. The UTG Pro Model 4/15 Split Slim Rail by Leapers UTG has a slim profile for totally 22% weight saving and 24% width reduction compared to the Leapers UTG PRO Made in USA Model 4 Carbine Length Tactical Quad Rail System MTU001. The handguard mount provides 8 screw holes on each side allowing multiple installation positions for the 4 detachable side rails. No gunsmithing or tools required for installation. Features Clever Top/Bottom Two-piece Design with Integral Spinal Cords/Alignment Housing for Perfect fit with Barrel Nut and Round Front Cap Made from Aircraft Aluminum with Precision CNC Machining and Excellent Anodizing/Engraving Fits Car. Length Model 4/15 and Provides Four Picatinny Rails Each with 14 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