What is the approximate unloaded weight of the M4 including a 20 rd magazine and sling?

The correct answer reflects the approximate unloaded weight of the M4 carbine when equipped with a 20-round magazine and a sling. The M4 is designed to be a lightweight, versatile weapon system for a variety of military applications. The unloaded weight, including these additional components, is commonly recognized to be around 7.19 lbs, making this choice the most accurate.

The weight measurements for firearms often include slight variations depending on specific configurations or manufacturer specifications, but the established figure for the M4 is consistent with this answer. Considering the importance of understanding firearm specifications for operational efficiency, it's vital to recognize that the M4’s design prioritizes weight management while maintaining durability and functionality, which the selected answer effectively represents.