RESOLUTE MK4 300BLK Assembled Upper with 14.5” Barrel and Pinned & Welded Brake

The RESOLUTE MK4 300BLK Assembled Upper is a versatile and high-performance choice for firearm enthusiasts looking to enhance their AR-15 platform. This assembled upper features a 14.5-inch barrel with a pinned and welded brake, ensuring compliance with length regulations while delivering optimal performance in the popular .300 Blackout caliber.

Key Features

• 14.5-inch barrel with pinned and welded brake
• Chambered in .300 Blackout
• Compatible with AR-15 platform

Designed for those who appreciate precision and reliability, the RESOLUTE MK4 300BLK upper offers excellent compatibility with your existing AR-15 components. The black finish provides a sleek, tactical appearance, making it a suitable choice for both professional use and recreational shooting.

Available from ICB Firearms, this upper receiver can be shipped nationwide or picked up locally in Saint Clair Shores, Michigan.