Shark Coast SCTCU300-8BLK Complete Upper Receiver

Shark Coast Complete Upper Receiver in .300 Blackout

The Shark Coast SCTCU300-8BLK is a complete upper receiver assembly designed for shooters who demand a compact, capable platform. This upper comes fully assembled and ready to function—simply attach it to a compatible lower receiver and you're ready to shoot.

Key Features

• Caliber: .300 Blackout
• Barrel Length: 8 inches
• Complete Assembly: Includes barrel, bolt carrier group, charging handle, and handguard
• Compact Profile: The short 8-inch barrel makes this ideal for close-quarters work, hunting in tight spaces, or suppressed shooting
• Modular Design: Works with standard AR-pattern lower receivers

Why Choose This Upper

The .300 Blackout cartridge was purpose-built for short-barreled rifles. It delivers rifle-class power while maintaining subsonic velocities when paired with appropriate ammunition—a significant advantage for suppressed shooting. The 8-inch barrel keeps overall length manageable without sacrificing the cartridge's inherent advantages.

This complete upper eliminates guesswork during assembly. Every component is matched and tested, ensuring reliable function from the first shot. Whether you're building a home-defense rifle, a hunting platform, or an integrally suppressed system, this upper provides a solid foundation.

Compatibility

Designed for standard AR-15 lower receivers. Verify compatibility with your specific lower before purchase.