Description Reviews All new 9MM billet 80% lower receiver from AR15.site: This is a perfect lower for AR 9 it’s stylish, it’s tactical and most of all it’s badass. Start building your AR 9 today with quality lower receiver. This AR 9 80% Lower Receiver features: T6 7075 Billet 9MM Lower Receiver Type III Hard Anodize Stylish Design Mag Release Assembly Ejector Assembly What is an 80% lower receiver? An 80% lower receiver blank or frame is an incomplete firearm that needs to be milled out Because of this the ATF does not recognize any 80% lower as a legal firearm Meaning that you can have it shipped directly to your house without a background check If a percent lowers are great for people who want to make their own builds uniquely and fully customizable. The AR-15 is one of the most popular 80% lowers out there being machined and produced by many companies around the US. According to the ATF the only part of the AR-15 lower receiver that is considered a firearm is his arm is the port for the trigger. This is what you will need to mill out properly in order to create a fully functioning firearm The AR-15 platform is highly modular and diverseThere are a few modifications to the platform which make it able to take either rifle cartridges or pistol cartridges. These are the .308 DPMS lower and the AR-9 lower respectively. All 80% lowers may be shipped right to your address. Make your 80% lower AR-15 purchase today! 2 Reviews 5 good lower Posted by Alex Rivera on 03-03-22 Fits upper nicely, I like the cnc work on the lower, very stylish and distinctive look it gives to the AR 4 Love the receiver but Posted by Avery Garcia on 02-23-22 This is a beautiful receiver right out of the shipping box, however I had some problems with drill press jig, but used 80% arms easy jig and finished it off with the router works great looks great.