MFT TEKKO Metal AR-15 Midlength Carbine Nine Drop In Integrated Rail System Black

No Gunsmithing, drop in screwless installation, held in place by Delta ring and handgaurd cap with no permanent alterations to rifle. 4 MIL-STD 1913 Picatinny Rails provide a secure platform for mounting Picatinny accessories. Monolithic style continuous top rail. Lightweight 6061 aluminum construction is hard coat anodized.