Ballistic Advantage (Aero) 16" Mid Length 1/7 twist nitride FSB Pencil 5.56 upper with Midwest Industries 2 piece drop in M-Lok handguard w/ Daniel Defense rear sight. Both in very good condition. No BCG, no charging handle.
Fired maybe 80 rounds of brass – non bi metal projectile ammo to sight in red dot. Cleaned and put away.