Daniel Defense 0100408001 M4A1 RIS II Handguard 12.25″ 2-Piece, Free-Floating Style Made of 6061-T6 Aluminum with Flat Dark Earth Anodized Finish & Picatinny Rail for AR-15
B5 Systems SOP1074 Enhanced SOPMOD Black Synthetic for AR-Platform with Mil-Spec Receiver Extension (Tube Not Included)