The AR-15 is an iconic firearm in the United States, recognized for its rich history and significant presence in both military and civilian contexts. Originally designed by Eugene Stoner, its lightweight and customizable features enhance its effectiveness in combat, making it a versatile weapon. The AR-15's popularity among civilian gun owners stems from its accuracy, ease of use, low recoil, and extensive aftermarket customization options, making it suitable for target shooting, hunting, and self-defense. However, its association with mass shootings has sparked intense debates on gun control and calls for stricter regulations. Despite the controversies, the AR-15's design and functionality solidify its status as a powerful and influential firearm in American culture.