THe UTG Angled Picatinny Rail features Matte Black Anodized Aluminum Construction with Dehorned Corners, Scalloped Slots, and Melted Contours. The angled offset positions Lights, Optics, or Other Accessories at the 11 or 1 O'clock Positions on most handguards. A removable spacer adjusts clearance to fit various handguard profiles.