The suit, filed Monday in Seattle, asks a judge to block the federal government's late-June settlement with Defense Distributed, which allowed the company to make the plans available online.
But US District Judge Robert Lasnik has now issued an order that prevents that, for now.
"There are 3D printers in public colleges and public spaces and there is the likelihood of potential irreparable harm", he said.
Twenty-one attorneys general signed onto a letter calling on U.S. Attorney General Jeff Sessions and U.S. Secretary of State Mike Pompeo to back out of the settlement with Defense Distributed. "Thankfully, reason prevailed in the courts today and we hope it foretells of a more permanent reprieve from a very unsafe potential reality".More news: Rand Paul to support Brett Kavanaugh for Supreme Court
Lawmakers cited safety concerns, considering the guns are made entirely of plastic, making them undetectable by metal detectors and untraceable, as they can be printed without registration.
Afterward, Ferguson issued the following statement: "I am thankful and relieved Judge Lasnik put a nationwide stop to the Trump Administration's risky decision to allow downloadable, 3D-printed ghost guns to be distributed online".
President Donald Trump said Tuesday he's "looking into" easy access to blueprints for 3D-printable guns, saying in a tweet that the idea "doesn't seem to make much sense". "I'm proud to lead the fight in New Jersey to stop Wilson and Defense Distributed from publishing printable-gun computer files, and I call on the federal government to join us in protecting the safety of our residents and our law enforcement officers".
The department plans to transfer oversight of firearm exports to the Commerce Department, which does not impose prior restraint on public speech. On Monday, eight states and the District of Columbia sued the Trump administration over a decision to allow the publication of blueprints.
A 2013 CNN report on a study by the Bureau of Alcohol, Tobacco, Firearms and Explosives found 3-D printed guns can be both unreliable and deadly.
In addition, 20 state attorneys general have written to the State Department and Department of Justice about blocking the gun blueprints online.More news: US, EU to first tackle steel, aluminum tariffs: Secy Mnuchin
The State Department told CBS News that "the decision to settle the case was made in the interest of the security and foreign policy of the United States".
The gun plans were pulled from the internet in 2013 by order of the U.S. State Department under global gun trafficking laws.
On issue after issue, the Trump administration's M.O. when there's a crisis is to say, 'We'll look into it.
During his 18-month presidency, which has seen a fresh wave of mass shootings at schools and public places, Trump has occasionally seemed to favor tougher gun regulations, before buckling under pressure from his base and donors. Wilson sued in 2015, claiming the order infringed on his constitutional rights.
Plans for several homemade weapons are available online.More news: Apple in touching distance of $US1 trillion mark after profits jump
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