5D Tactical is a U.S.-based manufacturer specializing in high-precision 80% lower receivers and completion jigs for DIY firearm building. Founded to cater to the growing community of gun enthusiasts, they use advanced 5-axis CNC machining to produce durable aluminum and polymer components for platforms like AR-15, AR-10, and Glock frames. Known for their accuracy, affordability, and user-friendly designs, 5D Tactical products are popular for custom rifle and pistol builds, emphasizing quality and compliance with legal standards. Their jigs simplify machining unfinished receivers into functional firearms, making them a go-to choice for hobbyists and professionals alike.