A muzzle attachment or feature that uses the propellant combustion gas with the desired effect of redirecting the recoil.
A cover put on the muzzle end of a barrel to keep out foreign matter.
A projectile’s energy at the time it leaves the muzzle of a gun.
The illumination which is the result of the expanding gases from the burning propellant particles emerging from the barrel behind the projectile and uniting with oxygen in the air.
A device put on the end of a barrel with a hole concentric with the bore to admit a cleaning rod and keep the rod from wearing the rifling in this critical area. Not used on guns cleaned from the breech end.
A second, smaller bead sight near the middle of the barrel or barrels of some shotguns.
1. A term that defines a specific point in the trajectory of a projectile that is half the distance between the firearm and the target. 2. A reduced velocity, centerfire cartridge, used principally in target shooting.
The distance, measured in inches, that a projectile travels above the line of sight at a specific point in the trajectory that is half the distance between the firearm and a target.
The angle subtended by one unit at 1000 units.
A conical nosed lead bullet, slightly under bore diameter, incorporating a hollow base, designed to expand into the rifled bore upon firing for gas sealing purposes without the use of a patch.