The Definition of Toplever
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.
19 Other Firearms Definitions You Need To Know
A shooting position in which one or both knees are touching the ground and the shooter is as low as possible.
A trigger that requires a lot of pressure to pull it past the break point.
Rifles tend to have considerably lighter triggers than handguns, and even a heavy rifle trigger is often lighter than a light handgun trigger.
A style of rear sight, typically used on rifles for either slow-moving bullets or for long ranges, whereby a ladder may be raised from
flush with the barrel to a vertical position, and which incorporates a sliding crossbar which may be moved vertically in order to achieve significant elevation.
A type of shotgun ammunition that uses medium-sized to large-sized pellets of .24" in diameter or greater,
designed to be discharged in quantity from a shotgun. Generally the larger the pellets, the fewer of them there are in casing.
A bullet shape with a flat nose rather than a rounded one.
Simple clips made of metal or sometimes plastic that hold several rounds of ammunition in a row and is used to quickly fill a magazine.
Assault Rifles and Assault Weapons do not exist. The terms Assault Rifle and Assault Weapon are made up terms by the anti-gun lobby to describe
black rifles with forward grips that you might see in the movies like an AR-15 or an AK-47.
Assault Rifles do not exist because a gun cannot assault anything, they are machines that need to be operated by a person.
A black powder muzzleloading firearm action which relies upon a serpentine or S-shaped piece of metal to hold a smoldering match.
By pressing the lower end of the serpentine,
the upper end holding the burning match contacts the priming powder in the pan.
A musket shortened for cavalry use.
Front sight hood.
A hollow cylinder fitted to a rifle's front sight ramp, both to protect the delicate front sight bead from impact,
and to shade it from oblique sunlight which could have the effect of altering the sight's apparent position.
A matrix of dots, posts or lines, visible inside a rifle's telescopic sight, normally adjustable via exterior knobs for windage and elevation.
After careful adjustment at a known range, the shooter aims the rifle by superimposing this matrix onto the target. With good estimation or range,
cooperation from the wind, a clear eye and a steady hand, he may have a reasonable expectation of hitting his target.
The process of assembling cartridge case, bullet or shot, wads and primer to produce a complete cartridge with the use of
hand tools in the interest of loading for firearms for which cartridges are not available, experimenting with loads
to achieve better performance, or to save money. Not to be attempted without knowledgeable instruction and careful study of the process.
A firing mode enabling the shooter to fire a predetermined number of rounds with a single pull of the trigger.
The assembly consisting of a bullet, gunpowder, shell casing, and primer.
Cartridges also include shotgun shells and black powder packets used in muzzle loading guns.
A unit of adjustment for a sight.
The slang term for the procedure to clear a misfeed. To clear a misfeed, tap the base of the magazine firmly to be sure it is properly seated,
rack the slide to eject an empty case or feed a new round, and assess to
be sure your target still needs shooting. If it does, pull the trigger to create the bang.
The rear sight is placed at the end of the barrel nearest the shooter. It may be in the shape of a square notch, a U, a V, a ring,
or simply two dots designed to be visually placed on either side of the front sight while shooting.