Who are some Manufactures?

Remington, Winchester, Lawman, Monarch, PMC, Federal, Wolf, Magtech, Magsafe, Aquila, Glaser, Hornady, Gold Dot, Selliers & Bellot, Starfire and American Eagle.

Who Designed the 380 Cartridge?

John Browning.

When was the 380 catridge introduced?

1908 by Colt