Luth-AR Upper, Black, 1913 Rail for Mounting Optics and Accessories, Forged, Flat Top, Comes with Charging Handle, Forward Assist, and Dust Cover FTT-EA1 Model: Finish/Color: Black Accessories: 1913 Rail for Mounting Optics and Accessories Fit: AR Rifles Type: Upper Manufacturer: Luth-AR Model: Mfg Number: FTT-EA1