Dixie Gunsmithing
Moderator Emeritus
Magpul has sued several companies for patent infringement. Read the story at the link below.
http://www.gunreports.com/news/news/Magpul-Sues-Four-Magazine-Manufacturers-For-Patent-Infringement_4787-1.html?ET=gunreports:e1399:317810a:&st=email
http://www.gunreports.com/news/news/Magpul-Sues-Four-Magazine-Manufacturers-For-Patent-Infringement_4787-1.html?ET=gunreports:e1399:317810a:&st=email