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gilding metal[′gild·iŋ ‚med·əl]
A copper alloy (about 90% copper, 10% zinc) used to jacket small-arms bullets, to form detonator or primer cups, and to form rotating bands for artillery projectiles; it can be readily engraved by the lands as the projectile moves down the bore.
An alloy containing nominally 95% copper and 5% zinc. Generally available as flat products, rod, and wire.