Gun rights advocates are wasting little time putting a "huge" federal court victory into action after a judge struck down decades-old firearms restrictions as unconstitutional.Gun Owners of America (GOA) and Silencer Shop, a federal firearms licensee covered by the ruling linked to the sale and transfer of silencers, notified the Trump administration Thursday they planned to begin transferring gun silencers without going through the National Firearms Act registration and approval process that has governed such transactions for decades.Just after midnight Thursday, two gun owners walked out of...