The Geissele Automatics Super Duty SD556 5.56 NATO is a premium AR-style semi-automatic rifle known for its exceptional craftsmanship, rugged construction, and attention to detail. Featuring a 16.5" barrel, this rifle is built with the quality and precision that have made Geissele a respected name among firearm enthusiasts. The Super Duty series is recognized for its refined ergonomics, durable components, and performance-focused design. Whether you're a dedicated range shooter or an enthusiast looking to add a high-quality AR-platform rifle to your collection, this Geissele Super Duty offers premium construction and the reputation of one of the industry's leading manufacturers!