Shooting iron is an old-fashioned term for a firearm. However, there are plenty of synonyms for this word that can be used to describe different types of guns. For example, a pistol, revolver, or handgun all fall under the category of shooting iron. Additionally, rifles, shotguns, and muskets can all be referred to as shooting irons. These terms not only describe the type of firearm, but also provide insight into the intended use of the weapon. While the term shooting iron may be outdated, there are plenty of synonyms that can accurately describe any type of firearm.