7075T6 aluminum raw forging. There are no holes drilled, there are no features machined, and there is no magazine well. All of the machining must be entirely completed by the customer. These lower receiver forgings are ideal for your AR custom build. Because this is a raw forging which has no machining performed on it, there are no federal restrictions. This item is non returnable. The buyer is responsible for complying with all laws during the manufacture and additional machining of this item.