The Geissele Super Duty MOD1 is a 5.56 caliber AR rifle designed for enhanced ergonomics and modularity. It features a 14.5-inch barrel and an ambidextrous safety, making it suitable for a variety of users. The rifle is finished in a Desert Dirt Color, providing a distinctive appearance.Key FeaturesBarrel Length: Equipped with a 14.5-inch barrel.Caliber: Chambered in .223 Rem/5.56 Nato.Action: Semi-auto action for reliable performance.Safety: Ambidextrous safety for user convenience.Rate of Twist: 1:7" twist rate for optimal bullet stabilization.