SADLAK Aluminum Low Profile Front Rail Black Small. An internal nut plate is not used with these models. The Aluminum Rail is attached with two internal screws and special washers while still retaining your stock sling swivel. Specifications for SADLAK Aluminum Low Profile Front Rail: Manufacturer: SADLAK Color: Black Finish: Hard Coat Fabric/Material: Aluminum Gun Rail: Picatinny Gun Type: Rifle Gun Model: M14 Springfield Armory M1A Length: 3 in Width: 7 in Height: 0.5 in Weight: 3.03 oz Features of SADLAK Aluminum Low Profile Front Rail Attaches to the stock from the inside using flush flat head screws and Package Contents: SADLAK Aluminum Low Profile Front Rail SADLAK 1400660: Aluminum Low Profile Front Rail Black Small