OxyContin OC 60 mg, a brand name for the narcotic drug oxycodone hydrochloride, is a painkiller medication available in the USA. OxyContin is available as a 10 milligram (mg), 20 milligrams, 40 mg, 60 mg, or 80 mg tablet. The Oxycontin tablets vary in colour and size according to their dosage. The Oxycontin tablets are imprinted with the letters OC on one side and the number of mg (milligram) on the opposite side. If you experience pain, you can buy Oxycontin OC 60 mg online to achieve adequate pain relief.