ðɪ ˈɛm fˈaɪvhˈʌndɹɪd sˈɛvənti sˈɪks ɪz ɐ jˌuːˈɛs ˈɑːɹmi dˌɛzɪɡnˈeɪʃən fɚɹə tˈuː.sˈɪkshˈʌndɹɪd fˈoːɹɾi sˈɪks ɪn sˈɪksti sˈɛvən.tˈuː ˌɛmˈɛm lˈɔŋ ænd zˈiəɹoʊ.tˈuːhˈʌndɹɪd fˈɪfti fˈoːɹ ˌɛlbˈiː zˈiəɹoʊ.twˈɛlv kˌeɪdʒˈiː hˈɛvi jˌuːˈɛs fˈoːɹɾi ˌɛmˈɛm ɡɹənˈeɪd bˈʌkʃɑːt lˈoʊd jˈuːzd ɪnðɪ ˈɛm sˈɛvənti nˈaɪn, ˈɛm tˈuːhˈʌndɹɪd θɹˈiː, ˈɛm θɹˈiːhˈʌndɹɪd twˈɛnti, ænd ˈɛm θˈɜːɾi tˈuː ˌɛmdʒˌiːˈɛl ɡɹənˈeɪd lˈɔːntʃɚz.
The M576 is a US Army designation for a 2.646 in (67.2 mm) long and 0.254 lb (0.12 kg) heavy US 40mm grenade buckshot load used in the M79, M203, M320, and M32 MGL grenade launchers.