Knights Armament Company URX 3/3.1 Rail Section, Black, Fits AR-15 30412-BLK
Knights Armament Company URX 3/3.1 8-Rib Rail Section Kit, Fits Picatinny,Aluminum Finish 30412-ALU
Knights Armament Company URX 3/3.1 4 Piece Long Rail Panel Kit, Black Finish, 2 3-Hole Panels, 1 2-Hole Panel, 1 2-Hole Handstop, 8 Screws, 4 Backing Nuts 30410-BLK
Knights Armament Company URX 3/3.1 12 Piece Rail Panel Kit, Flat Dark Earth Finish, 1 1-Hole Handstop, 3 2-Hole Panels, 2 2-Hole Panels, 2 3-Hole Panels, 1 2-Hole handstop, 32-Hole Picatinny Rail Sections, 10 Screws, 5 Backing Nuts 30409-FDE
Knights Armament Company URX 3/3.1 12 Piece Rail Panel Kit, Black Finish, 1 1-Hole Handstop, 3 2-Hole Panels, 2 2-Hole Panels, 2 3-Hole Panels, 1 2-Hole handstop, 3 2-Hole Picatinny Rail Sections, 10 Screws, 5 Backing Nuts 30409-BLK
Knights Armament Company URX 3/3.1 4 Piece Rail Panel Kit, Flat Dark Earth Finish, 2 2-Hole Panels, 1 2-Hole Panel, 1 2-HoleHandstop, 8 Screws, 4 Backing Nuts 30408-FDE
Knights Armament Company URX 3/3.1 4 Piece Rail Panel Kit, Black Finish, 2 2-Hole Panels, 1 2-Hole Panel, 1 2-Hole Handstop,8 Screws, 4 Backing Nuts 30408-BLK