Choke
A constriction at or near the muzzle of a shotgun barrel that affects shot dispersion.
Arsenal Exchange
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Letter CThe Definition of Choke
19 Other Firearms Definitions You Need To KnowBermOn an outdoor shooting range, a large pile of dirt that functions as a backstop. Caseless AmmunitionA type of small arms ammunition that eliminates the cartridge case that typically holds the primer, propellant, and projectile together as a unit. Chamber ThroatThis is the area in the barrel that is directly forward of the chamber, which tapers to the bore diameter. Half gripRound knob, semi pistol grip. JawsThe vise-like device on a flintlock hammer used to hold the flint. Ear MuffsHearing protection that completely covers both ears and is usually attached to a headband. Fouling ShotA 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. Gas CheckA metal cup placed on the end of a lead bullet to protect the lead against the hot gases of the burning powder charge. Used in some types of firearms ammunition when non-jacketed bullets are used in high pressure cartridges, to prevent the buildup of lead in the barrel and aid in accuracy. Bore DiameterThe measurement from one side of the bore to the other. In a rifled barrel this means measurement of the bore before the rifling grooves are cut. Match GradeA higher quality item used to increase accuracy, generally used for competition in a match. Match grade ammo and barrels are the most common improvements made to a firearm to improve accuracy for competition. Internal SafetyA safety which is placed within the gun and is not accessible to the user. Internal safeties are generally designed to prevent unintentional discharges when the gun is dropped or mishandled. Rolling BlockHelical grooves in the barrel of a gun or firearm, which imparts a spin to a projectile around its long axis. This spin serves to gyroscopically stabilize the projectile, improving its aerodynamic stability and accuracy. Patch BoxCovered compartment in the buttstock of a rifle used to carry patches or other small items. Bayonet LugA mounting point on a small arm that allows a bayonet or other accessory to be attached. BrowningJohn Moses Browning was born in Ogden, Utah on January 23, 1855, and was an American
firearms designer who developed many varieties of military and civilian firearms, cartridges, and gun mechanisms,
many of which are still in use around the world.
Almost all of his design concepts can be found in some form or another in every modern automatic and semi-automatic firearm.
He is regarded as one of the most successful firearms designers of the 20th century,
in the development of modern automatic and semi-automatic firearms, and is credited with 128 gun patents.
He made his first firearm at age 13 in his father's gun shop, and was awarded his first patent on October 7, 1879 at the age of 24.
Limp WristingA floppy, limp wrist while shooting. Passive SafetyAny safety, internal or external, which functions apart from the shooter's conscious control. Grip safeties are one example of a passive external safety. Aperture SightAlso known as peep sights, range from the ghost ring sight, whose thin ring blurs to near invisibility (hence ghost), to target aperture sights that use large disks or other occluders with pinhole-sized apertures. In general, the thicker the ring, the more precise the sight, and the thinner the ring, the faster the sight. CartoucheA mark within a border, typically stamped into the wood, especially of an American military rifle. It shows the initials of the name of the accepting inspector and often, the date he accepted the firearm into service. |
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