i have a used (200 rounds of m855) 12.5" PSA upper with double chrome lined barrel, a2 front sight, standard carbine handguards. a black troy flip up rear sight a black sig brace and a kak ind. buffer tube these parts cost me over $600 asking $450 shipped to lower 48 (no commie states) or $425 FTF around 97801. USPS MO or paypal +3% for fees. email me with any questions or picture request.