Items Included: 1x Billet Upper Receiver w/Dust Cover, Anti-Rotation Pin & Light Weight Forward Assist Installed. 1x Hand Guard w/Magpul M-LOK Modular Attachment Interface. 1x Radian AX556 Lower Receiver. 1x Raptor-SD Ambidextrous Charging Handle. 1x Radian Talon 45/90 Ambidextrous Safety Selector. 1x Ambidextrous Bolt Catch & Release. 1x Ambidextrous Magazine Release. 1x Enhanced Takedown Pin Set. 1x Aluminum Barrel Nut. 1x Barrel Nut Wrench. 4x Hand Guard Cross Bolts, Washers & Nuts