Choke
A constriction at or near the muzzle of a shotgun barrel that affects shot dispersion.
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Letter CThe Definition of Choke![]() ChokeA constriction at or near the muzzle of a shotgun barrel that affects shot dispersion. 19 Other Firearms Definitions You Need To KnowBoreThe tunnel down the barrel of a firearm through which the projectiles travel.
PatternA shotgun term which refers to the manner in which the pellets spread out as they exit the gun. "The pattern" refers to the overall shape of the entire set. A tight pattern is one in which the pellets are closely grouped when they land on target. A loose pattern is one in which the pellets are widely spread. BoattailThe tapered rear end of a bullet. This design is used to increase ballistic efficiency at long range. Brady LawBrady Handgun Violence Prevention Act of 1993. The Brady Handgun Violence Prevention Act of 1993 mandates background checks of gun buyers in order to prevent sales to people prohibited under the Gun Control Act of 1968 legislation. Requires checks to be performed through the FBI's National Instant Criminal Background Check System (NICS). Records of who has been checked are not preserved because federal law prohibits the creation of a national registry of gun ownership. Sales by unlicensed private sellers who are not engaged in gun dealing as a business are not subject to the checks under federal law, though they are required by some states. Antique FirearmDefined according to Section 921 (a) (16), Title 18, U.S.C. as:
A. any firearm (including any firearm with matchlock, flintlock, percussion cap, or similar type of ignition system) manufactured in or before 1898; and
B. any replica of any firearm described in subparagraph (A) if such replica (i) is not designed or redesigned for using rimfire or conventional centerfire fixed ammunition, or (ii)
uses rimfire or conventional centerfire fixed ammunition which is no longer manufactured in the United States and which is not readily available in the ordinary channels of commercial trade.
Floor PlateThe detachable plate at the bottom of the cartridge magazine. DAAbbreviation for Double Action Grip PanelsThe interchangeable surfaces that are installed on the part of the gun that you hold. Users change grip panels to improve the look or feel of the firearm, or to personalize it so that the gun is more suited to a different hand size. Some grip panels are chosen for function, while others are chosen for looks. Common grip-panel materials are wood, plastic, and rubber. Improvised FirearmA firearm manufactured by someone who is not a regular maker of firearms. Saturday Night SpecialA slang term for a small inexpensive handgun. Saturday night specials have been defined as compact, inexpensive, small-caliber handguns with perceived low quality; however, there is no official definition of "Saturday night special" under federal law, though some states define "Saturday night specials" or "junk guns" by means of composition or materials strength. Low cost and high availability make these weapons attractive to many buyers despite their shortcomings. 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. Magazine A secure storage place for ammunition or explosives.
On a firearm, it is the container, either fixed to a firearms's frame or detachable, which holds cartridges waiting to be fed into the gun's chamber.
ParallaxThis occurs in telescopic sights when the primary image of the objective lens does not coincide with the reticle.Telescopic sights often have parallax adjustments to minimize this effect. Turn-Bolt ActionA bolt action which is locked by pressing the bolt handle in and down, thereby turning its locking lugs into the receiver. OTMAbbreviation for Open Tip Match. CompensatorAlso call a Muzzle Brake. A device attached to or made as part of a firearms barrel designed to reduce recoil or muzzle movement on firing. They generally increase muzzle blast. YawThe heading of a bullet, used in external ballistics that refers to how the Magnus effect causes bullets to move out of a straight line based on their spin. Cylinder DrumOn 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. Expanding BulletAn 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 |
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