Buy Ruger AC-556In Australia, a 1996 massacre prompted required gun buybacks wherein, by some estimates, as a lot of as a million firearms were being then melted into slag. The rate of mass shootings plummeted."Nhi?u ti?t m?c võ thu?t ??c s?c t?i bu?i giao l?u gi?a Takhado và Tây S?n Võ ??o". twenty March 2015. ^Your browser is outdated, update