Mil-Spec vs Commercial Buffer Tubes – AR-15 Rifles for Beginners

By AT3 Tactical Understanding the difference between mil-spec and commercial AR-15 buffer tubes This is one of the most common questions we’re asked, and for good reason. If you’re planning to build your own AR-15 or upgrade your AR-15 stock, it’s critical to understand the subtle differences between mil-spec and commercial AR-15 buffer tubes, two very similar […]