The Definition of Isosceles Stance
There are two basic variants of the Isosceles stance, the
Traditional Isosceles and
Modern Isosceles stance.
In both Isosceles stances, the feet parallel pointing toward the target and are roughly shoulder width apart.
Both arms are stretched almost equally forward with the gun centered forward, creating the triangular shape which gives the stance its name.
19 Other Firearms Definitions You Need To Know
A small lever mounted to the cocking piece of a Winchester Model 70 rifle, rotating on a vertical axis from front (Fire),
halfway back (Safe, but allowing bolt movement), and fully back (Bolt and firing pin locked Safe).
While, like the Mauser, commendable for locking the firing pin instead of just the trigger,
its fore and aft movement is both easier to operate and it allows lower mounting of telescopic sights,
reducing parallax between the line of sight and the line of the bore and increasing the range of
distances for which the scope may be reliably sighted-in.
A specialized firearm used underwater that is fired when in direct contact with the target.
This means a shooter who is right-handed but left-eyed, or left-handed and right-eyed.
A tip for a cleaning rod, a jag, with spirally-radial wires for vigorously scrubbing a gun's bore.
The upper portion of a semi-automatic pistol that houses the barrel and contains the breechblock and portions of the firing mechanism.
Ejecting the spent case as it moves to the rear and loading a fresh cartridge into the chamber as it moves forward again.
As its name states, it slides along tracks in the top of the frame during the recoil process providing the linkage between
the breechblock and barrel.
A barrel without rifling. Smooth bore barrels are commonly used in shotguns and in large bore artillery that fire fin stabilized projectiles.
The part of the trigger mechanism which holds the hammer or striker back. Pressure on the trigger causes the sear to release the hammer or striker, allowing it to strike the firing pin and discharge the weapon.
Covered compartment in the buttstock of a rifle used to carry patches or other small items.
A firearm is loaded when a cartridge is in its firing chamber. However, for safety reasons all firearms are always treated as loaded at all times.
A highly sensitive explosive used as a primer compound.
Also spelled blueing.
A passivation process in which steel is partially protected against rust, and is named after the blue-black appearance of the resulting protective finish.
True gun bluing is an electrochemical conversion coating resulting from an oxidizing chemical reaction with iron on the surface selectively forming magnetite
(Fe3O4), the black oxide of iron, which occupies the same volume as metallic iron. Bluing is most commonly used by gun manufacturers, gunsmiths and gun
owners to improve the cosmetic appearance of, and provide a measure of corrosion resistance to, their firearms.
A phenomenon which is often grouped with hammer bite. In this case the web of the shooting hand is cut or abraded by
the rearward motion of the semi-automatic pistol's slide, not by the gun's hammer.
This most often occurs with small pistols like the Walther PPK and Walther TPH that have an abbreviated grip tang.
This problem is exacerbated by the sharp machining found on many firearms.
Some triggers can be pulled slightly backwards before the shooter can feel any tension and before
the hammer or striker begins to retract. Pre-travel is any movement of the trigger that begins before the trigger starts to engage.
The distance the trigger must travel before it reaches the break point and fires the gun.
On a revolver, the collective ejector, manually operated through the center of an opened cylinder, when activated, clears all chambers at once.
System of measurement for the internal bore diameter of a smooth-bore firearm based on the diameter of each of that
number of spherical lead balls whose total weight equals one pound.
The internal diameter of a 12 gauge shotgun barrel is therefore equal to the diameter of a lead
ball weighing 1/12 pound, which happens to be .729" (Or in British: Bore.) The Gauge/Bore system is also used, by convention, to describe the internal barrel diameter of large-bore,
19th century, English, single-shot and double-barrel rifles.
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