A gun which looks like it is made of Lego has sparked outrage in the US.
Culper Precision said its customised Glock weapon, named Block19, was developed to "highlight the pure enjoyment of the shooting sports".
But Danish toymaker Lego has written to the company and demanded it stop producing the weapon, which is covered in what looks like Lego bricks.
The BBC reports that gun control campaigners described the pistol as irresponsible and dangerous.
Shannon Watts, of the Everytown for Gun Safety campaign group, said her organisation had contacted Lego about the customised Block19 last week.
The Danish company has in turn had sent a "cease and desist" letter to Culper Precision, which is based in Utah
It reportedly said there was a risk children may be drawn to use firearms "even when guns don't look like toys".
Culper Precision released a statement saying it had chosen to release Block19 to show guns were for "everyone".
And that "owning and shooting firearms responsibly is a really enjoyable activity".
It added that the firearm could only be purchased by those legally permitted to own a gun.
The company's president Brandon Scott told the Washington Post hat after discussions with a lawyer he decided to comply with the request from Lego.
The weapon appears to have since been removed from the gun manufacturer's website.
The BBC says it is illegal in the US to produce a children's toy that precisely resembles a real gun, but the laws do not explicitly prevent manufacturers from making a gun that resembles a toy.
It also says accidents involving children and firearms are on the increase in the US. More than 140 people were killed in such gun-related incidents last year.
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