Good condition M5 upper with less than 100 rounds through it, no charging handle or BCG. Will come with the YHM suppressor mount and optic. Optic is a Vortex Crossfire II 3-12x56. Atlas handguard, YHM break, adjustable gas block, 16" barrel, FDE cerekote Might consider trades for other uppers in 5.56 or 300BO.