Why does my order require an adult signature? All Orders over $500 in value will require a signature for delivery. Related articles How long does it take for an order to ship? Why is my order taking so long to ship and I paid for upgraded shipping? Can my lower be shipped directly to me? Does Aero Precision have a retail store or showroom where I can view your products in person? My firearm is not cycling properly. (AR15, M5, EPC)