BCM Standard 14.5" Mid Length (ENHANCED Light Weight) Complete Upper Receiver Group w/ MCMR-13 Handguard. Radian ADAC ambidextrous lower with CMC single stage curved trigger. Surefire warcomp pinned and welded. Trjicon MRO red dot (can remove and adjust price ). Rifle weighs approximately. 6.5lbs in the pictured set up. Total cost was over $2k asking 1650 obo. willing to sell without optic.