Bullet diameter on a 38 is .357; on a 380 it is .355 Case is longer on a 38.
380 - 357 = 23
No.
No.
the 40 cal is a little bigger then the 357
The most common .38 is the .38 Special, a rimmed revolver cartridge that is actually .357 inches in diameter. The most common .380 is the .380 ACP. That is a rimless automatic pistol cartridge. It is shorter and slightly fatter than the .38 Special. They are intended for two entirely different firearms, and do not interchange.
No. 38 = .357 projectiles; 380 = .355 projectiles from a shorter case
357 case is @ 1/10 of an inch longer.
The 380 ACP, also known as the 9mm Short, 9x17, 9mm Browning, 9mm Kurz and 9mm Corto uses a .355 diameter bullet. The 38 special uses a .357 diameter bullet. Additionally, the 380 ACP is designed for a semi-automatic and the .38 special is designed for a revolver.
Yes
about .03 inches
.380 ACP is a specific type of ammunition made. 380 LCP is the name of a Pistol, made by Ruger which fires the .380 ACP round.