This has just been sitting in the safe with less than 100rds fired through it. It is a aero precision upper with a DSG arms 8in barrel,gas tube and low profile gas block. A 7in matrix keymod handguard with a manta rail cover. Upper comes with polymer H&k style drum sights Also has a kaw valley linear comp. ( not pinned only hand tightened) charging handle and BCG not included $175 located in Madisonville