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
Violent Crime Control and Law Enforcement Act of 1994.
It is an act of Congress dealing with crime and law enforcement that became law in 1994.
Of the sections of the bill, it included the Federal Assault Weapons Ban.
That part of the stock on a rifle or shotgun into which the barrel fits.
The wearing of the portion of the barrel where the gas pressure and heat is highest as the projectile leaves the chamber.
The greater the chamber pressure the more rapid throat erosion occurs which is compounded by rapid firing which heats and weakens the steel.
Firearms which are of special interest to collectors by reason of some quality
other than is associated with firearms intended for sporting use or as offensive or
defensive weapons. To be recognized as curios or relics, firearms must fall within one of
the following categories:
A special Curios or Relics license is available from the BATF, which allows collectors to buy eligible firearms in interstate commerce.
- Firearms which were manufactured at least 50 years prior to the current date, but not
including replicas thereof;
- Firearms which are certified by the curator of a municipal, State, or Federal museum
which exhibits firearms to be curios or relics of museum interest; and
- Any other firearms which derive a substantial part of their monetary value from the fact
that they are novel, rare, bizarre, or because of their association with some historical
figure, period, or event. Proof of qualification of a particular firearm under this
category may be established by evidence of present value and evidence that like firearms
are not available except as collector's items, or that the value of like firearms
available in ordinary channels is substantially less.
A trigger that doesn't have to travel very far before it reaches the break. In a 1911 semi-auto pistol, a short trigger is a different part than a long trigger,
and (in addition to providing less motion) it features a shorter reach which may be of benefit to a small-handed shooter.
A lever on a break-open gun mounted to the top of the receiver which, when pushed with the thumb (normally) to the right, operates (usually) a
Scott Spindle, which in turn withdraws (usually) a Purdey Underbolt from the bites in the lumps of the barrels,
allowing them to hinge downwards and the gun to open.
One of the three major dismountable components of a break-open gun (the others being the barrel(s) and the action/buttstock)
which secures the barrels to the receiver, often houses the ejector mechanism, and for some, provides a handle for the one's secondary hand.
A slang term for a shotgun.
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
A malfunction which locks up the gun so badly that tools are required in order to fix it. Sometimes used to denote a simple malfunction,
but many people make a distinction between a complete jam and a simple malfunction.
A firearm is a portable gun (pistol or rifle), being a barreled weapon that launches one or more projectiles often driven by the action of an explosive force.
A passage built into a firearm to allow the safe conduct of unexpected gas, as from a pierced primer, to minimize damage both to the gun and to the shooter.
The abbreviation for Automatic Colt Pistol.
It is commonly used to designate specific calibers, particularly those which were originally designed by John Moses Browning for the
Colt Firearms Company which are a type of rimless pistol cartridge designed mainly for use in semi-automatic pistols.
The most common ACP calibers are .25 ACP, .32 ACP, .380 ACP and .45 ACP.
On a revolver, a spring activated device housed in the bottom of the frame beneath the cylinder that engages alignment notches in the cylinder.
It stops the cylinder's rotation and holds it in place each time a chamber in the cylinder is in alignment with the barrel.
The practice of modifying military-type firearms either to make them suitable for civilian sporting use.
Common sporterizing includes changing the stock or sights.
A device used (usually set on a counter) to support a shooters arms and/or hands to help make steadier shots.
A round of ammunition that does not fire.