An armor-piercing shell, AP for short, is a type of ammunition designed to penetrate armor.
A cartridge is a type of firearm ammunition packaging a projectile (bullet, shots or slug), a propellant substance (usually either smokeless powder or black powder) and an ignition device (primer) within a metallic, paper or plastic case that is precisely made to fit within the barrel chamber of a breechloading gun, for the practical purpose of convenient transportation and handling during shooting.
Fiocchi Munizioni (Fiocchi Ammunition) is one of Italy's largest and oldest manufacturers of ammunition.
The International Practical Shooting Confederation (IPSC) is the world's second largest shooting sport association and the largest and oldest within practical shooting.
A projectile is any object thrown into space (empty or not) by the exertion of a force.
A revolver (also called a wheel gun) is a repeating handgun that has a revolving cylinder containing multiple chambers and at least one barrel for firing.
Shooting sports is a collective group of competitive and recreational sporting activities involving proficiency tests of accuracy, precision and speed in using various types of ranged weapons, mainly referring to man-portable guns (firearms and airguns, in forms such as handguns, rifles and shotguns) and bows/crossbows.
STI International, Inc., is a Texas based company that manufactures complete 1911 and 2011® handguns and parts for competition, duty and self-defense.
Stopping power is the ability of a firearm or other weapon to cause enough ballistic trauma to a target (human or animal) to immediately incapacitate (and thus stop) the target.