Get a 80 Percent Lower precision machined from 6061 or 7075 aluminum at our facility in Oregon. Shop for an 80 Lowers Receiver for sale with bulk prices available. We are a certified Firearms Manufacturer (FFL-07) based in Oregon. We design and build innovative custom parts and accessories for the tactical rifle market. Our goal is to serve our customers with the best tactical-related products, parts, and accessories.