The Heckler & Koch Inc HK416 Rifle 81000401 is a semi-automatic rifle chambered in 22 LR. It features a sturdy and durable construction with an aluminum receiver, ensuring reliability and longevity. The rifle comes in a matte black finish, giving it a sleek and tactical look. The HK416 Rifle boasts a 16.1-inch threaded M barrel, allowing for easy attachment of muzzle devices or suppressors. It has an overall length of 38 inches and weighs in at 5.7 pounds, making it lightweight and maneuverable. The retractable stock and pistol grip with a storage compartment provide comfort and convenience during extended shooting sessions. Equipped with a 20+1 round magazine, this rifle has a substantial ammunition capacity. It also features a dust cover and a last round bolt hold open, adding to the rifle's practicality and ease of use. The rail interface system is M-LOK compatible and utilizes a Mil-STD 1913 design, allowing for easy integration of accessories such as optics, lights, or lasers. The HK416 Rifle comes with adjustable flip-up sights, ensuring accurate target acquisition. It has a manual safety for user control and safety. The package includes one magazine, providing an immediate out-of-the-box shooting experience. Overall, the Heckler & Koch Inc HK416 Rifle 81000401 offers a reliable, versatile, and feature-rich platform for shooters of all levels. Its excellent build quality, advanced features, and ergonomic design make it a great choice for sport shooting or home defense.