Letter K Firearms Glossary
Usually referred to as a Kentucky Long Rifle or simply Longrifle, the Kentucky Rifle is a flintlock rifle with a long barrel and short, crooked stock. It is widely believed to be a largely unique development of American rifles that was uncommon in European rifles of the same period.
The Kentucky Long Rifleis an early example of a firearm using rifling, (spiral grooves in the bore). This gave the projectile, commonly a round lead ball, a spiraling motion, increasing the stability of the trajectory.
Rifled firearms saw their first major combat usage in the American colonies during the Seven Years war, and later the American Revolution in the eighteenth century.
A horizontal wedge, press-fit through the forend of a vintage gun, through a lump
attached to the underside of the barrel and out the other side of the forend.
To secure the forend in position. Also called a crosspin or a wedge fastener.
The tendency of a bullet to tip in flight and hit a target sideways, leaving a distinctly oblong hole.
This destabilization of the spinning bullet in flight is typically caused by a bullet weight inappropriate
for the rate of twist of the rifled barrel, an out-of-balance bullet or its having nicked an impediment such as a blade of grass, in flight.
The curved, forward end of the bar of a break-open firearm's action, about which the mounted
forend iron revolves downward. This area should be kept lightly greased to avoid galling the bearing surfaces.
A metal surface which contains a pattern of ridges or beads.
German for "short." Seen as part of a cartridge designation. On some German manufactured guns that use .380 ACP, the designated caliber is 9mm Kurtz (9mm Short), which is also the same as the Italian 9mm Corto
13 Other Firearms Definitions You Need To Know
Helical grooves in the barrel of a gun or firearm, which imparts a spin to a projectile around its long axis.
This spin serves to gyroscopically stabilize the projectile, improving its aerodynamic stability and accuracy.
Also called black powder, gunpowder is a mixture of sulfur, charcoal, and potassium nitrate. It burns rapidly,
producing a volume of hot gas made up of carbon dioxide, water, and nitrogen, and a solid residue of potassium sulfide.
Because of its burning properties and the amount of heat and gas volume that it generates, gunpowder has been widely used as a propellant
in firearms and as a pyrotechnic composition in fireworks. The term gunpowder also refers broadly to any propellant powder.
Modern firearms do not use the traditional gunpowder (black powder) described here, but instead use smokeless powder.
A pair of slender and easily-carried wooden dowels or sticks, which when held, crossed, in the fingers of the left hand while also supporting the forend of a rifle,
usually shooting offhand, provides somewhat enhanced stability for a more accurate shot.
A type of firearms magazine that is cylindrical in shape, similar to a drum.
Probably the most recognizable drum magazine is the magazine for a Thompson carbine rifle, also known as the Tommy Gun.
A process that increases the diameter of a workpiece by compressing its length.
Plugs of hardened steel, precisely machined in relation to the standard dimensional specifications of a given cartridge,
normally in sets of three: "GO", "No-Go" and "Field". By loading these plug-gauges into the chamber in succession,
one can check that the action should close on the "Go" gauge. It should not close on the "No-Go" gauge,
but might were enough force to be used. And, it absolutely should not close on the "Field" gauge.
How the shooter positions her body while shooting. The three most widely used handgun stances are
A semi-automatic is said to be out of battery when the slide fails to come all the way forward again after the
gun has fired. This condition can be created by a misfeed, a dirty gun, weak springs, the shooter's
thumbs brushing against the slide, riding the slide, or any of several other causes.
A handgun or rifle shooting sport in which the competitors attempt to knock over metallic game-shaped targets at various ranges.
A pocketed belt for holding ammunition and cartridges. It was usually slung over the chest.
Bandoliers are now rare because most military arms use magazines which are not well-suited to being stored in such a manner.
They are, however, still commonly used with shotguns, as individual 12 gauge shells can easily be stored in traditionally designed bandoliers.
A device on a firearm which, when operated, results in the hammer or striker being cocked or moved to the ready position.
A device used to load magazines or revolver cylinders quicker than by hand.