A single shot lever action mechanism where the "breechblock" (the part that fits securely against the cartridge keeping it snug in the breech and locks the action to allow maximum efficiency and safety during firing) slides vertically or nearly vertically to expose or lock the breech.
Feed
The act of moving a live cartridge from the magazine of a firearm to the chamber.
Feed
Ramp
The surface in the receiver or
barrel of a firearm along which the
cartridge rides or slides when being fed from the magazine to the chamber.
Field Load
A
shotshell loaded for hunting small game animals and birds.
The part of the
breech mechanism that strikes the
primer of a cartridge to initiate ignition of the powder.
Flintlock
The type of action of early firearms where a piece of flint stone was held by the
cock and, when the trigger was pulled, the cock/flint struck the steel "frizzen" causing a shower of sparks to ignite fine gun powder in a small
pan next to the "touch hole" in the
barrel. The flash of the powder in the pan traveled through the touch hole and ignited the powder charge in the base of the barrel beneath the "ball" or bullet.
Floor Plate
A detachable metal plate at the bottom of the cartridge magazine of a bolt
action
rifle.
Forcing
Cone
The tapered section at the front of a shotgun
chamber where the diameter of the front end of the chamber is reduced to the diameter of the barrel
bore. A forcing cone is also present in the breech end of most revolvers.
Frame
The basic unit of a firearm that houses the firing and breech mechanisms and to which the
barrel and stock are attached. Also called
receiver.
Frangible Bullet
A projectile designed to disintegrate upon impact with a hard surface in order to minimize ricochet.
Full
Choke
A highest degree of constriction that provides the tightest shot dispersal pattern at the longest distance. See also
choke.
Full Metal Jacket
A projectile with a metal jacket that encloses the entire bullet excepting the base. Also called Hardball.
Fulminate of Mercury
A highly sensitive explosive used as a
primer
compound.
Dundee
Sportsman's Club, Michigan Best Sportsman's Club
