Used Aero Percision Mod M4E1 in 556-223 cal, 30+1 cap, MAG-PUL adjustable stock, MAG-PUL handle, 16 inch twisted SS Fluted barrel, 16 inch STNGR hand guard, very sharp !!, 20.00 shipping, ship to FFL dealer only, payment in cert. check or money order or personal check or Zelle accepted, personal check clearance required before shipping, ship by UPS with tracking no. as is no exchange.