Virginians lined up and emptied shelves at XCAL Shooting Sports in Ashburn after court injunctions paused enforcement of the state’s new “assault weapons” ban. Virginia’s new “assault weapons” ban was supposed to reduce the number of popular semi-automatic rifles in private hands. Instead, just days before the law was set to take effect, it helped create one of the largest grassroots gun-buying events the Commonwealth has seen. XCAL Shooting Spo…