Rock River Arms Completed Upper Receiver Coyote Carbine .223/5.56mm 16 Inch Barrel 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black

Rock River Arms

Overview

The Rock River Arms Completed Upper Receiver is an all-in-one solution for your AR-15 build, featuring a 16-inch barrel chambered in 5.56 NATO. This complete assembly comes with a 1/2x28 thread pitch for compatibility with a variety of muzzle devices, making it easy to customize your setup. The black finish gives it a sleek look that fits well in tactical or traditional configurations. This upper receiver is commonly used in carbine builds, providing a solid foundation for both range and home defense applications.