The Definition of Double-Barreled Shotgun
A shotgun with two barrels, usually of the same gauge or bore.
The two types of double-barreled shotguns are over/under (abbreviated as O/U or OU),
in which the two barrels are stacked on top of each other, and side-by-side (abbreviated as SxS),
in which the two barrels sit beside each other. See photo at right for example of side-by-side double-barreled shotgun.
For double-barreled guns that use one shotgun barrel and one rifle barrel, see combination gun.
19 Other Firearms Definitions You Need To Know
Any safety, internal or external, which functions apart from the shooter's conscious control. Grip safeties are one example of a passive external safety.
A built in lock that may prevent the firearm from being fired.
A process that increases the diameter of a workpiece by compressing its length.
Skirted projectiles used in pellet guns
A small hole in the barrel of a gas-operated firearm through which expanding gases escape to power the autoloading system.
A piece of tooling used to form a sequence of uniform parts through the use of heat and/or pressure; especially, in firearms terminology used to form brass cartridge cases accurately to their correct size for reloading.
The single projectile expelled from a gun. It is not the same as a cartridge, the cartridge is complete package,
which includes the case, primer, powder, and bullet, which is called or a round. Bullets can be of many materials, shapes,
weights and constructions such as solid lead, lead with a jacket of harder metal, round-nosed, flat-nosed, hollow-pointed, etc.
Co-Witness Sighting is the use of any iron sight mounted onto a rifle that is fitted with an optical sight as a primary sighting system.
They come in two basic configurations, fixed or flip-up. The idea is that if you align your red dot and your iron
sights you have a backup aiming system on the gun.
Also 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.
A firearm is a portable gun (pistol or rifle), being a barreled weapon that launches one or more projectiles often driven by the action of an explosive force.
A flashbang holster is a type of holster for women that allows the firearm to sit horizontally tucked under the bra band.
As the gun is pulled straight down, the clamshell opens up and permits the wearer to draw.
It is named a flashbang because the wearer hash to pull up their shirt (flash) to draw the gun out of the holster, then shoot (bang).
These holsters have become very popular with women that conceal carry since the firearms is neatly hidden under the breast line in clothing
and does not require the wearer to stay latched onto a purse or have to deal with the inconviences that come with inside the waist band carry
The distance that equates the exit pupil size of a rifle scope's
ocular lens to the entrance pupil of the user, in order to achieve the largest, unvignetted view.
This distance must be sufficient to ensure that the ocular rim of the scope does not lacerate the shooter's
eyebrow upon recoil. And, the scope should be positioned so that eye relief is suitable when the rifle is comfortably mounted.
A shoulder-fired long gun which has a rifled barrel.
The speed of a projectile or a load of shot at the point that it exits the muzzle of a firearm, normally expressed feet per second.
The open end of the barrel from which the projectile exits.
A volume of fire delivered by a military unit. Incorrectly used by the media to mean the ability of a small arm to be discharged many times without reloading.
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