Letter H

The Definition of High Brass

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High Brass

By convention, powerfully loaded shotgun cartridges for hunting are generally manufactured with relatively longer brass end-caps than lower powered cartridges intended for target shooting. While different-sized brass bases are of virtually no consequence to the strength of the shell in relation to the steel breech of the gun itself, they do help the shooter identify the relative power of cartridges at a glance.


19 Other Firearms Definitions You Need To Know


Cal

Abbreviation for Caliber.

Pull

The entire process of making the trigger complete its journey past the trigger break.

Pair

Two shots fired very quickly with the use of the sights.

Printing

Is when the outline of the concealed handgun may be discerned through the outer clothing.

Base Wad

The paper filler at the rear of the powder charge of the shotgun shell.

Knurled Surface

A metal surface which contains a pattern of ridges or beads.

Semi-Wadcutter

A bullet design featuring a conical extended nose, with a flat point, and a sharp edged shoulder that serves to cut a full diameter hole in the target. This design also may be found with a hollow point to facilitate expansion. A modified wadcutter bullet design with slightly sloping edges, designed to load smoothly in a semi-automatic pistol.

Overshoot

A term used in artillery to indicate a projectile impact beyond the designated target.

Trigger Scale

A specialized type of hanging scale designed to test trigger pull weight.

Recoil Pad

A soft appendage, usually of some kind of rubber, often fitted to the butt end of a shoulder-mounted firearm to reduce the sensation of recoil. A recoil pad has the additional benefit of being less vulnerable to damage than a checkered wood butt or a brittle horn or plastic buttplate.

Malfunction

A misfeed or other failure to fire which can be cleared on the spot and without tools.

Expanding Bullet

An 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

WSM

Abbreviation for Winchester Short Magnum.

Chamber Throat

This is the area in the barrel that is directly forward of the chamber, which tapers to the bore diameter.

Port

An opening. The ejection port is the opening in the side of a semi-auto from which spent cases are ejected.

Metallic Cartridge

A cartridge with a metallic case. (Early cartridge cases were made of linen, paper, etc.)

Matchlock

An early system of ignition for muzzle-loading firearms where a priming charge is loaded into a flashpan with a separate, manually-operated cover. To fire, the cover is opened and then a slowly smoldering wick, held in the nose of the curved arm, is lowered by means of a lever (precursor to a trigger) to ignite a priming charge which then ignites the main propellant charge inside the barrel.

Propellant

The substance which imparts movement to the projectile in a firearm. In a firearm, usually powder. In an airgun the propellant is air or Co2

Lockplate

A metal plate on which the firing mechanism is mounted on percussion and earlier firearms.

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