The IWI Z15TAC16 ZION Z-15 5.56 16" BC BLACK is a versatile and reliable firearm designed for tactical operations. Its 16" barrel is made from high-quality 4150 Chrome Moly Vanadium steel, providing excellent durability and resistance to wear. The rifle features a direct impingement system, allowing for efficient gas operation. Weighing in at 6 pounds without a magazine, this rifle is easy to handle and maneuver. The IWI Z15TAC16 also boasts a 1:8 twist rate, making it suitable for a variety of ammunition types. Fast shipping ensures that you can get your hands on this firearm quickly. Key Benefits and Features: Model Number(s): Z15TAC16 Caliber: 5.56 NATO Barrel Length: 16" Material: 4150 Chrome Moly Vanadium steel Twist Rate: 1:8 Weight: 6 lbs (without magazine) Stock Collapsed Length: 33" Stock Extended Length: 36.25"