Letter: E

The sudden release of energy of sufficient magnitude to create a pressure wave. The energy to produce an explosion may come from a variety of sources; including nuclear, pressure or chemical reaction. 1. Examples of pressure related explosions include a rapid change in state (liquid to gas, for example) or by the over pressurization of a container (i.e., the failure of a gas cylinder). 2. A chemical explosion is the event in which a quantity of matter is instantaneously converted to gaseous product, with the generation of high temperature and pressure.

A bullet containing an explosive in the nose, intended to explode on impact.

A hunting bullet design that provides for controlled expansion upon impact.

A recommended safety practice utilizing approved earplugs or muffs.

1. A plug of proper diameter that is inserted into the neck of a resized cartridge case to expand the diameter to allow the case to accept a bullet. 2. A tool used to remove dents in shotgun barrels.

A metal or plastic reinforcement around a screw hole.

A geometric design of abrasively formed overlapping circles on the metallic surfaces of a firearm.

A bullet with a metallic core entirely covered with another metal or polymer

The vertical movement of a sight to compensate for vertical displacement of a bullet or bullets from the aiming point.

An electro-mechanical device for throwing clay targets.