The Nordic Components Mil-Spec 6 Position Buffer Tube is crafted from durable 7075 aluminum with a sleek black anodized finish, ensuring reliability and performance for your AR-15 builds. Designed for versatility, this buffer tube allows for six different stock positions for optimal comfort and customization. Please note that the endplate and castle nut are not included. This lightweight component weighs just 0.3125 lbs and is an essential upgrade for any tactical or competitive shooting application.