Gunmetal (noun)

A type of alloy that is used in the construction of firearms. It usually contains copper, tin, and zinc.

Origin:

The word gunmetal is a combination of "gun" and "metal" and refers to a type of alloy that is used in the construction of firearms. the exact composition of gunmetal varies, but it typically contains copper, tin, and zinc.

Examples:

1. The gun was made of highly polished gunmetal, and it gleamed in the light.
2. The revolver was constructed of durable gunmetal and had a smooth trigger action.
3. The gunmetal finish of the rifle was dulled by years of use.
4. Gunmetal is a strong and durable material that can withstand the stresses of firing.
5. The gunmetal grey color of the firearm blended in well with the surroundings.