Includes: 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 RADIAN BUILDER KIT