Elevate your shooting experience with the Jacob Grey Firearms Complete Upper Assembly. Designed for precision and reliability, this upper features a 5.56 NATO caliber and a 13-inch barrel with a 1:7 twist rate, ensuring optimal bullet stabilization. The 1/2x28 thread allows for easy attachment of muzzle devices, enhancing versatility. Finished in sleek black, this assembly not only looks great but is built to withstand rigorous use. Perfect for both competitive shooting and tactical applications, the 556N13CUA is your go-to choice for a high-performance upper assembly. Upgrade your firearm today!
