full metal jacket

1. 1.

   a lead bullet that is covered with a jacket of a harder metal (usually copper)

   Broaderbullet

Questions about full metal jacket

What does full metal jacket mean?

full metal jacket means "a lead bullet that is covered with a jacket of a harder metal (usually copper)".

Is full metal jacket a common word?

full metal jacket is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.