NCSTAR Quad Rail Gen 3, Black, Includes Mounting Hardware& Tool, Fits Most Carbine Length AR-15s, 6.7″ Length, 9.9 oz., Drop-In Installation, Manufactured from 6063 Aluminum Alloy, Type II Anodized administrator May 22, 2020 NCSTAR Quad Rail Gen 3, Black, Includes Mounting Hardware& Tool, Fits Most Carbine Length AR-15s, 6.7″ Length, 9.9 oz., Drop-In Installation, Manufactured from 6063 Aluminum Alloy, Type II Anodized2020-05-22T11:16:45-04:00 Accessories, Firearms, Rifle Handguards & Grips