Federal authorities have seized more than 350 websites after an undercover investigation revealed that the sites were used to illegally import gun parts into the US from China. To get the illegal items through customs, the sites described the items as toys, necklaces, car parts, tools, and even a fidget spinner.

U.S. officials have seized more than 350 websites that allegedly were used to sell illegal gun switches and silencers from China, the officials said Wednesday. Switches transform semiautomatic pistols into fully automatic ones, while silencers suppress the sound of a firearm when it is discharged.

US Homeland Security seized 350 websites for illegally importing counterfeit Glock machinegun silencers from China into the US in violation of the National Firearms Act.

U.S. authorities said on Wednesday they had seized more than 350 websites selling gun silencers and parts from China used to covert semiautomatic pistols into fully automatic machine guns.