Stance
How the shooter positions her body while shooting. The three most widely used handgun stances are Weaver, Isosceles and Chapman stance.
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Letter SThe Definition of Stance
19 Other Firearms Definitions You Need To KnowDum-DumA bullet designed to expand on impact, increasing in diameter to limit penetration and/or produce a larger diameter wound. The two typical designs are the hollow point bullet and the soft point bullet. Expanding bullets were given the name Dum-dum, or dumdum, after an early British example produced in the Dum Dum Arsenal, near Calcutta, India by Captain Neville Bertie-Clay in the the mid-1870s. Modern sef-defensive, JHP (Jacketed Hollow Point), ammunition are based on the original dum-dum ammunition design and principles. Sawed-Off ShotgunCommon term for federally restricted "short-barreled shotgun (rifle)" as with a conventional shotgun with barrel less than 18" (rifle less than 16") or overall length less than 26. Line Of SightAn imaginary straight line from the eye through the sights of a firearm to the target. ErosionThe wearing away of a barrel's metal surface by a bullet or shot charge or by the heat of powder gases. LeadingFouling of a firearm bore by metal particles from bullets adhering to the metal surface caused by heat or friction. Shotgun ShellThe cartridge for a shotgun. It is also called a "shell," and its body is usually made of plastic (metal shotgun shells are very rare, paper shotgun shells are extinct) with a metal head. Small shotshells are also made for rifles and handguns and are often used for vermin control. BulletThe single projectile expelled from a gun. It is not the same as a cartridge, the cartridge is complete package, which includes the case, primer, powder, and bullet, which is called or a round. Bullets can be of many materials, shapes, weights and constructions such as solid lead, lead with a jacket of harder metal, round-nosed, flat-nosed, hollow-pointed, etc. MagnaSmith & Wesson term for a revolver grip design introduced in the 1930s where the top of the grip extends higher than it had in earlier configurations, to provide a more comfortable hold. Semi-AutomaticA firearm designed to fire a single cartridge, eject the empty case and reload the chamber each time the trigger is pulled. It uses the energy from the fired shot to eject the empty case and feed the next round into the chamber. Eye DominanceAlthough we have two eyes for depth perception and for spare parts, there is a natural tendency for one eye (the master eye) to take precedence over the other,
regardless of the relative visual acuity of each eye. It is a fortunate condition when the eye on the side of the shoulder where one is comfortable mounting a gun is also the dominant eye.
Pick out a small object several feet away.
With both eyes open, center your right index finger vertically over the object.
Close your right eye.
If your finger appears to jump to the right, you are right eye dominant.
Then open your right eye and close your left eye.
If your finger remains in position in front of the object, you have confirmed your right eye dominance.
Alternatively, if in the above test, upon closing your right eye your finger remains in position covering the object, you are left eye dominant.
If you close your left eye instead and your finger appears to jump to the left you have confirmed your left eye dominance.
Eye dominance problems can be treated with
1. A severely-cast, crossover stock to bring the dominant eye in line with the gun's line of sight,
2. A patch over the dominant eye, or just a small piece of frosty Scotch tape on shooting glasses intercepting the dominant eye's line of sight,
3. Fully or partially closing the dominant eye, or 4. Learning to shoot from the dominant-eye shoulder.
While less convenient, methods that retain the use of both eyes better preserve the ability to perceive depth in three-dimensional space, a great benefit in wingshooting.FoulingThe accumulation of unwanted material on solid surfaces. The fouling material can consist of either powder, lubrication residue, or bullet material such as lead or copper. Match GradeA higher quality item used to increase accuracy, generally used for competition in a match. Match grade ammo and barrels are the most common improvements made to a firearm to improve accuracy for competition. Cast OnAn offset of a gun stock to the left, so
that the line of sight aligns comfortably with the left eye while the butt of the stock
rests comfortably on the left shoulder. Almost all left-handed shooters benefit from a
little caston and most custom built guns are made this way. The only question is how
much. The caston of a gun is about right when, with the gun comfortably mounted, the
front bead lines up with the center of the standing breech.
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 type of .45 caliber ammunition
designed in 2002 by Ernest Durham for use in the Glock Model 37. Refers to a visible dark ring created by the primers in centerfire ammunition around the firing pin hole in the frame after much use. A slang term for slide catch. A concept created by eminent gun writer Col. Jeff Cooper. A scout rifle, generally, is a bolt action carbine firing a
medium power round suitable for taking large game (e.g., .308), fitted with a long eye-relief telescopic sight mounted on the barrel, and a back up set of iron sights. 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. |
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