Complete Aero 12in upper minus bcg, brand new aero receiver (zero salt), Aero Atlas S-one 12in hand guard (little to no salt), Ballistic advantage modern 10.5 5.56 government profile barrel (under 100 shots) Aero gas block and tube, KVP linear comp, streamlight protact light, BCM veritcal grip mod 3, milspec charging handle (some salt). $500 OBO