text:  In Oklahoma, A1-powered ammunition vending machines have recently opened up in multiple locations. Remember, station KOSU, Anna Pope reports. Four Super C-Mark grocery stores in the state have vending machines dispensing bullets. The company American Rounds installed the machines. Grant Majors, the company's CEO, says the machines use an ID scan and facial recognition to ensure the customer is at least 21. He says those technologies make for it a safer way to buy ammunition.