The Definition of Expanding Bullet
An expanding bullet is a 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.
See also Dum-Dum Bullet
19 Other Firearms Definitions You Need To Know
A locking device, usially a clable with a padlock that you put on a firearm to render it unable to be fired buy running it through the magazine well and out the ejection port.
A fouling shot is a shot fired through a clean bore, intended to leave some residue of firing and prepare the bore for more consistent performance in subsequent shots.
The first shot through a clean bore will behave differently from subsequent shots through a bore with traces of powder residue, resulting in a different point of impact.
A mechanical safety that prevents a gun from firing when it is unintentionally dropped.
To jerk a firearm off target inadvertently in the instant of firing in timid anticipation of recoil. Commonly caused by learning to shoot with a gun more powerful then they are ready for.
An extra-deep magazine typical of large calibre rifles for dangerous game. The line of the underside of the wrist does not carry straight forward as with ordinary rifles.
Rather the rear of the magazine aligns more towards the center of the forward edge of the triggerguard,
typically allowing at least one extra cartridge to be carried.
The firing mechanism of a break-open gun which may be removed for inspection or cleaning without the use of tools.
The release latch may be plainly visible or concealed. A feature typically seen on sidelock guns but also on the Westley Richards "droplock" boxlock action.
The small dished container located on the side or top of a matchlock, wheel-lock or flintlock forearm used to hold the priming powder charge.
A firearm that has had numerous careful machining cuts
taken in its exterior with a view to exposing and demonstrating the functioning
of critical parts of its mechanism
Skirted projectiles used in pellet guns
A tendency for layers of air of different temperatures near the warm ground to cause refraction in the line of sight and disturbance of the perceived point of aim.
An inert ammunition-shaped object, used in practice to simulate misfeeds and other malfunctions. Some folks also use them during dry fire practice to cushion the firing pin as it strikes.
A heat-treating process that incorporates carbon into the surface molecular
structure of the steel, providing a hard-wearing surface without making the entire
receiver brittle. The parts to be casehardened are packed in a crucible with
carbon-rich media such as bone meal and charcoal, heated to bright orange, about
1800°F, then quenched in bubbling oil. Also
Typically used in the .22 caliber cartridge designation .22 Long Rifle, which is abbreviated .22LR.
Gun Control Act of 1968.
It is a U.S. federal law that regulates the firearms industry and firearms owners. It primarily focuses on regulating interstate commerce in firearms by
generally prohibiting interstate firearms transfers except among licensed manufacturers, dealers and importers.
It also prohibits all convicted felons, drug users and the mentally ill from buying guns amd raised the age to purchase handguns from a federally licensed dealer to 21.
A regular pattern of fine grooves cut into
the surface of a stock to aid in gripping a gun. Originally done for utility only,
checkering has become an art form in itself; craftsmen adorning the borders with ribbons,
fleur-de-lys, floral carving, etc. The amount of coverage, the precise regularity, and the
number of lines per inch indicate the quality of the work. Too-fine checkering, however,
defeats the purpose of the work altogether.
A type of firearm in which the action is closed, with a cartridge in the chamber prior to firing. When the trigger is pressed the cartridge is fired,
and the action cycles loading another cartridge into chamber and when firing is stopped the bolt remains closed and the chamber remains loaded.
To shoot while standing and without bracing against anything. Sometimes it can also mean to shoot with your non-dominant hand.
"V" shaped rear leaf sights mounted to a rifle barrel on a block or on a quarter-rib, sometimes solid standing, sometimes folding,
and often mounted in a row of similar leaves, each of a slightly different height, marked with the range for which each is regulated
German for Hand-Cocking or Cocker/De-Cocker. A type of action on a break-open gun or rifle where, in place of a traditional top tang safety,
a somewhat more robust tab is fitted. Normally such a gun is carried in the field loaded, but with the action not cocked,
an exceedingly safe condition. Then, when ready to fire, the shooter, instead of pushing a safety tab forward,
pushes this larger tab forward, cocking the mainspring, making the gun ready to fire.
Then, if the shot is not taken, he may simply slide this tab rearwards again, de-cocking the gun
and returning it to the still-loaded, but very safe position.