Elevate your shooting experience with the Tacfire 16 5.56x45mm complete upper Assembly. Experience precision and performance with this expertly crafted upper assembly, designed for optimal functionality. Explore exceptional features and craftsmanship that seamlessly blend accuracy and reliability. Upgrade your shooting experience with the Tacfire 16 5.56x45mm complete upper assembly. Unlock superior shooting capabilities with this high-quality upper assembly, engineered for enhanced accuracy and versatility.