80% lower receivers from New Frontier Armory offer an exciting opportunity for DIY enthusiasts and builders, available in several calibers such as 5.56 NATO, .308, and 9mm. Designed to require minimal finishing work, these receivers allow you to complete the machining process and create a fully functional lower at home. Featuring a tumble-only finish, they provide a smooth, clean surface that enhances appearance and allows for versatile finishing options like anodizing or Cerakote. Perfect for those looking to customize their build, New Frontier Armory's 80% lowers deliver flexibility and personalization, making them an ideal choice for any firearm project.