What formation are they in? How far apart are they? What are they wearing? Are they in vehicles or out in the open?
Caliber is a term used to describe the diameter of a bullet in SAE units. 100 Caliber = 1 inch a 45 caliber bullet has a diameter of .45 inches.
Although there are many variations, most AK47 shoot a ~30 caliber bullet (7.62mm).
The correct term is cartridge, not bullet- and the answer will depend on WHICH .40 caliber pistol.
there is no world wide data base.
Generally speaking, no. You can only fire the caliber for which the gun is chambered. There are some exceptions, but not many.
It depends on many factors including age, caliber of bullet, and angle.
Varies from the 40's to the 70's
To many variables. Depends on caliber of bullet, type of dirt, type of ammo, distance from gun to ground,etc...
The distance a bullet will travel is dependent upon many factors. The three greatest factors in determining the distance a bullet will travel are caliber of the bullet, the weight of the bullet, and the trajectory used when firing the weapon. Many ammunition manufacturers provide "maximum" distances on the individual packages of each type of bullet.
Various weights are made. You must specify which weapon you are looking at.
Bullets alone have no velocity. The .223 CARTRIDGE, when fired from an M16 rifle, will drive its bullet at about 3,200 fps. However, velocity depends on the makeup of the cartridge (powder charge, bullet weight) , and which firearm it is fired from.
38 is the size. This answer is actually correct, but more specifically, .38 special (and many of the other .38 caliber cartridges) are actually .357. The caliber ".38" was chosen to distinguish between .357 magnum and .38 special.