| 摘要 |
<p>An ammunition cartridge 1 is provided having a casing 5 and a bullet 3. The casing 5 has a tubular body closed at one end and attached at the other end to the bullet 3. An internal surface of the casing 5 attached to the bullet 3 is provided with a coating of copper oxide. The coating may be black and may be provided on both internal and external surfaces of the casing 5.</p> |
