The lawsuit was filed Friday in Clark County District Court in Nevada; it has three named plaintiffs - all victims of the shooting - and seeks class-action status.
The heart of the case may be whether or not the plaintiffs are able to demonstrate negligence on the part of Slide Fire Solutions, which stated in a letter to the ATF that bump stocks are "intended to assist persons whose hands have limited mobility".
The law firms filing the suit are the Brady Campaign to Prevent Gun Violence and the Las Vegas law firm of Eglet Prince.
Bloomberg reports that the lawsuit may challenge the Protection of Lawful Commerce in Arms Act, which shields gun manufacturers and retailers from legal complaints stemming from crimes committed using their products. Its voicemail box was not accepting messages and the company has not commented since the shooting took place.
The devices, originally meant to help people with disabilities, replace the stock and pistol grip of a semi-automatic rifle and allow the weapon to fire continuously, mimicking a fully automatic firearm. "The NRA believes that devices created to allow semi-automatic rifles to function like fully automatic rifles should be subject to additional regulations".
Duterte: PDEA now 'sole agency' in charge of drug war
This will also be the second time that President Duterte ordered the PNP to stop all anti-drug operations nationwide. That suspension came after a South Korean businessman was kidnapped and killed by anti-drug police.
On Wednesday, the House of Representatives introduced bipartisan legislation aimed at prohibiting bump fire stocks - devices used by the Las Vegas shooter to enable his weapons to fire faster.
According to the poll, 79 percent support banning bump fire stocks.
The National Rifle Association has said in the past that bump stocks should be subject to additional regulations.
The Bureau of Alcohol, Tobacco, Firearms, and Explosives has previously found that the production and sale of bump stocks are legal under existing federal law.