WTS custom upper assembled by GA Precision. Upper was built with an 18" medium heavy profile Schneider Polygonal Bore Barrel (.223 Caliber), Badger Handguard, Badger Gas Block and an A3 upper. Includes bolt and carrier assembly as well as YHM flip up front and rear sights. Upper has had less than 200 rounds fired through it. Asking $750 shipped for everything, money order or Paypal preferred. Pics available on request. Thanks for looking.