The Patriot Ordnance Factory POF Upper Complete Minuteman 13.75 300 Blackout delivers a ready-to-build platform that combines reliability and versatility for demanding shooters. It features POF-USAs Mil-SPEC Enhanced bolt carrier and our patented Roller cam pin, delivering smoother operation and enhanced durability under hard-use conditions, while the M-LOK compatible Renegade rail provides robust accessory mounting and a clean, streamlined profile. The 13.75 inch Nitride pistol-length barrel is paired with a pinned Dead Air KeyMo muzzle brake for effective recoil reduction and a low-profile gas block that helps maintain consistent shot-to-shot performance. This upper is designed to integrate seamlessly with compatible builds, offering solid potential for precision shooting, home defense, or tactical training through a compact, piston-friendly platform that balances weight and control. With the Renegade rail and precise timing of the roller cam system, users can accessorize and tune their setup for varied optics, grips, and hand stops, ensuring dependable performance in dynamic field conditions while maintaining a clean, cohesive aesthetic.