Premier manufacturer of polymer AR-15 and pistol frames. Is it legal? YES! The Polymer80 G150 unit is well within the defined parameters of a "receiver blank" defined by the ATF and therefore has not yet reached a stage of manufacture that meets the definition of firearm frame or receiver found in the Gun Control Act of 1968 (GCA) EP Armory This is for educational purposes only. This video shows shows an how 80 percent lower receiver build for an is completed. 80 Percent Lower Lower Receiver Gun Cases Percents Guns And Ammo Hand Guns Pistols Handgun Revolver I recently picked up a polymer 80% lower from EP Armory to try my hand at finishing one. First one I’ve tried…very easy to mill since it is plastic. However, I’m having some issues after completing that I’d some advice on. First off, I installed a spare DPMS trigger group I had as well as the safety. New Frontier Armory C9 80% lower receiver New Frontier Armory C9 80% lowers can be milled and drilled to accept common AR-15 lower parts kits, and non-standardized parts such as the magazine release and ejector come installed from the manufacturer, meaning you won't need to chase those down individually. EP Armory Coupon Codes, Discounts and Deals ... EP Armory Polymer 80% AR Lowers Various Colors $10 Flat Rate Ship - $34.99 ... Expiration date Unknown Store Sportsman ... The thing about 80% lowers is that there are really only about 5 foundries in the nation that make them and then all of the other companies machine them to their specs. Your 80% lower can be every bit as good as a Spikes, Aero, Colt etc. I know that the Anderson lowers are produced by Cerro forge. Good luck but be careful, it becomes an addiction.