The IDL 9mm AR-15 Medium Profile Barrel 1/2x28 1:10T Nitride is a versatile and durable barrel designed for 9mm AR-15 builds. The medium profile strikes a balance between weight savings and strength, making it suitable for both tactical and recreational use. The 1:10 twist rate provides reliable stabilization for 9mm projectiles, ensuring accuracy and consistency. With a 1/2x28 threaded muzzle, it is compatible with a wide range of suppressors, compensators, and other muzzle devices. The nitride finish enhances the barrel’s durability, corrosion resistance, and longevity, making it a solid choice for those looking to build or upgrade their 9mm AR-15 for reliable performance.