The Shark Coast Tactical SCTCU556-16NLK Complete Upper 5.56 16" is built for shooters who want a ready-to-mount upper receiver assembly without extra frills. Designed around the popular 5.56 chambering and a 16-inch barrel, this complete upper provides a straightforward foundation for building out a reliable AR-pattern rifle using your preferred lower, furniture, and optics.

This configuration is well suited for general range use, training, and recreational shooting where consistency and familiarity with the AR platform matter most. Its 16-inch barrel length offers a balanced blend of maneuverability and ballistic performance for typical 5.56 loads. Pair it with quality components and an optic of your choice to create a dependable rifle that reflects Shark Coast Tactical’s focus on practical, shooter-ready builds.

Key Features:

• Manufacturer: Shark Coast Tactical
• Model: SCTCU556-16NLK Complete Upper 556 16