Grim Reaper Tactical lower (Local Custom Shop) DPMS upper reciever, young national match grade chrome BCG w side charger, 18" dpms Mini SASS barrel, RRA 2-stage trigger, Grim Reaper forearm, VX-1 3x9. All the body work was also done at Grim Reaper. Great guys down there!!! just got in for a billet lower at the shop.