Gun Rights Group Files Brief Challenging Federal Restrictions on Machine Guns Prison Planet.com Posted on December 28, 2015 Posted in Aggregated No Comments Tagged with Prison Planet New American | Gun Owners of America (GOA) has filed an amicus brief in this case, U.S. v. Watson. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email