The top one has a LaRue Stealth DMR-16 upper, Eotech 512, LaRue lower with a RRA LPK and a Geisele SSA trigger. The bottom one has a BCM upper, LaRue bolt, White Oak 16" stainless match barrel, RRA rail, Leupold 6.5x20, Stag lower with a RRA LPK and a Timney 3lb single stage trigger.