Comes with upgraded fail zero bolt as well as can upgraded trigger super semi-automatic enhanced Geissele trigger 2stage as well as a mag uh-1 gen 2 holographic site $600 with life time warranty and box and a micro 3x magnifier $300 life time warranty with box also comes with extra trigger extra grip and extra stock Brand is Palmeto but it’s all been stripped for custom parts Skelton is only palmeto