E - 26 matching terms
A recommended safety practice utilizing approved earplugs or muffs.
See Range, Effective
The act of expelling a cartridge or fired case from a firearm.
A device which expels cartridges or fired cases from a firearm.
That component which actuates the extractor and/or ejector. Can be manual or automatic. Also called Extractor Rod.
A device in double-guns which expels fired cases when the action is opened.
The vertical movement of a sight to compensate for vertical displacement of a bullet or bullets from the aiming point.
The following formula is used to obtain kinetic energy of a projectile: E = WV2/14,000gc where: W = weight of projectile, in grains V = velocity, in feet per second gc = gravitational constant, 32.16 feet/second2
The capacity of a projectile to do work, commonly expressed in the foot-pounds, joules or kilogram meters. Sometimes called Bullet Energy.
Projectile energy at the time it strikes a target. Sometimes called Striking Energy.
A geometric design of abrasively formed overlapping circles on the metallic surfaces of a firearm. Also called Jeweling.
See Bullet Engraving.
A metal or plastic reinforcement around a screw hole.
1. A cylindrical plug of proper diameter that is inserted into the neck of a resized cartridge case to expand the diameter to its proper size. Also called Ball Sizing Plug.2. A tool used to remove dents in shotgun barrels.
See Bullet, Expanding.
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.
See Rib, Extension.
See Ballistics, Exterior.
The act of withdrawing a cartridge or fired case from the chamber of a firearm.
A groove turned in the side wall of a cartridge case just forward of the face of the head for the purpose of extraction. Also called Cannelure.
Device for withdrawing the cartridge or fired case from the chamber.
Usually a recess in the barrel of a firearm to accommodate an extractor.
See Ejector Rod.
See Range, Maximum.
A recommended safety practice utilizing approved safety glasses.
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