Fortis Mfg is one of the top firearms manufacturers in the United States, providing exceptional design and quality. All Fortis Mfg AR-15 parts are manufactured and machined to the highest standards in the industry. They aim to provide the shooter with needed strength and aesthetics to enhance performance. Fortis Mfg utilizes the highest quality materials that are second to none with products like the SWITCH Rail System, Control Shield Muzzle Brake, and Shift Vertical Grip. Create your superior functioning firearm today with Fortis Mfg.