The Definition of Bore
The tunnel down the barrel of a firearm through which the projectiles travel.
- A smooth-bore firearm is one that does not have rifling on the barrel's internal surface.
- A big-bore firearm is one that fires a large caliber.
- A small-bore firearm is one that fires a small caliber.
19 Other Firearms Definitions You Need To Know
The point of a projectile.
The bevelled portion of the rifling at the rear end of the barrel (and the forward portion of the chamber) where the bullet first engages the lands.
The working mechanism of a firearm involved with presenting the cartridge for firing, and in removing the spent casing and introducing a fresh cartridge.
For example some of the most common types of Actions are single, double, bolt, lever and pump.
Damage that is unintended or incidental to the intended outcome.
The detachable plate at the bottom of the cartridge magazine.
A type of firearm capable of discharging multiple individual shots in sequence, fed from a magazine, via the operation a lever, bolt, slide or some other form of manual operation.
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.
In a shotgun barrel, A tapered area a few inches from the breech end, providing a transition between the chamber
(approximately the diameter of the outside of a shotgun shell) to the bore proper (approximately the diameter of the inside of a shotgun shell).
The forcing cone provides the transition between the exterior and the interior diameters of the cartridge.
Older shotguns usually have more abrupt forcing cones suitable for then-current thick-walled paper shells with fibre wads.
Newer shotguns usually have more gradual, longer forcing cones suitable for thinner modern plastic shells with obturating plastic shot-cup wads.
A firearm that automatically loads the next cartridge to be fired into the chamber either upon the pull of the trigger in an open bolt design or upon the firing of the previous round in a close bolt design.
Autoloader should not be confused with Automatic or Semi-Automatic since the term Autoloader only applies to how the next round is chambered not
how many rounds can be fired per trigger pull.
All Automatic and Semi-Automatic firearms are autoloaders. Revolvers, bolt action, lever action and pump action firearms are not autoloaders.
The substance which imparts movement to the projectile in a firearm. In a firearm, usually powder. In an airgun the propellant is air or Co2
Hearing protection that fits inside the ear canal.
The first shot from a rifle that has been cleaned, and not fired recently may go to a different point of impact, for the same point of aim than a rifle that has been fired recently.
This first shot is referred to as a shot from a cold, clean, bore.
Slang word for short barreled revolver.
A chemical phosphate process developed during the second world war to provide an economical, durable and non-reflective surface finish to military firearms.
A short, lightweight rifle. Some are small enough for a young child to easily handle, while others are large enough to perfectly suit teenagers, average-sized adult women, and small-statured adult males.
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