As nouns the difference between gunmetal and forging
is that gunmetal is an alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns while forging is a component that is forged (shaped by heating and hammering).
As a verb forging is
.
gunmetal
English
Alternative forms
* gun metal
Noun
(
wikipedia gunmetal)
(
-)
an alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns
a dark grey colour
forging
English
Verb
(head)
Noun
(
en noun)
A component that is forged (shaped by heating and hammering).
* 1896 , United States, Annual report of the Secretary of War
-