The Geissele Super Duty Mod 1 .223 Rem/5.56x45mm 16" Barrel AR Rifle Black is a top-of-the-line firearm designed for precision and reliability. This rifle features a chrome-lined steel barrel with a 1:7" twist, ensuring accurate performance. The Geissele Automatics Series MOD1 Model Super Duty rifle is built to last, with a durable synthetic stock and ambidextrous safety. The rifle's operating system is gas-powered, allowing for smooth and efficient cycling. With its 30-round capacity, this rifle is perfect for hunting or target shooting. We offer fast shipping on this product, so you can get your hands on it quickly. As an added bonus, this rifle is currently on sale, making it an even more affordable option for those looking to upgrade their firearms collection. Product Features and Specifications: Brand: Geissele Automatics Series: MOD1 Model: Super Duty Caliber: 223 Rem / 5.56 NATO Operating System: Gas Capacity: 30 Stock Material: Synthetic Hand: Ambidextrous Sights: None Barrel Material: Chrome Lined Steel Muzzle: HUXWRX Flash Hider Twist: 1:7" Receiver Description: 15" SMR MK16 w / Geissele Center Tab Rail Grips: A17 Safety: Ambidextrous