Nevada-based Polymer80 is one of the largest manufacturers of do-it-yourself ghost gun kits in the country. But that success has also put the company in the crosshairs. Apolinar and Perez-Perez sued the company last year. Their suit — which alleges Polymer80 acted negligently and violated firearms laws — follows cases brought by the city of Los Angeles and by Washington, D.C., which also accuse the company of disregarding state and federal gun laws.in Dayton, Nevada.
For years, companies have been selling unfinished metal lowers for AR-15-style rifles that buyers could complete at home with machining tools. Because they were only 80 percent complete, the unfinished parts weren’t considered firearms, so they didn’t require background checks in most states. The company was one of several that started selling AR-15-style lowers made of a plasticlike material called a polymer, along with a jig and drill bits that made it easier to make working rifles with common power tools.unfinished polymer frames for Glock-style handguns, along with the jigs and drill bits used to finish them.