The Packaged ? AM-15 Assembled Upper Receiver comes in our new retail packaging to better gift to others for Holidays Birthdays or Other Special Occasions! Also allows dealers to hang our products in store! The AM-15 Assembled Upper Receiver comes with the dust cover and forward assist already installed. This upper is machined from 7075 T6 Aluminum forging. Featuring M4 feed ramps this upper receiver is machined to Military Specifications & Standards and can be used with multiple calibers on the AR-15 platform. This upper receiver comes in type III hard coat black anodize for extreme durability.