ORM-D ORMD. These items can only go specific Ground shipping methods. These are smaller quantities of Hazardous material and have many of the same restrictions. Ammo WARNING You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition. All ammunition must be shipped Domestic Ground. Shipping not available for International, AK, and HI residents. Residents of CA, DE, IL, NJ, NY, MA, and Washington DC, may have additional restrictions. Always make sure you use the correct ammunition for your firearms. Check your state and local laws for any other applicable firearms and ammunition regulations.