The Definition of Recoil Lug
A stout flange, invariably incorporated into the underside of the front receiver ring of a bolt action, and also frequently
incorporated into the underside of the barrel of a heavily-recoiling rifle, which when properly bedded, transfers recoil to the stock.
19 Other Firearms Definitions You Need To Know
The ammount pressure needed (measured in pounds) for the trigger finger must put on the trigger before the gun will fire.
Trigger pull weight is measured by the number of pounds and ounces of pressure required to pull the trigger past the break.
Slang for a gun or the action of carrying a gun concealed, e.g "The Bersa Thunder .380 is a fantastic gun for carrying" or "Do you carry?".
Usually a telescopic firearm sight.
Abbreviation for Concealed Handgun License.
A chemical phosphate process developed during the second world war to provide an economical, durable and non-reflective surface finish to military firearms.
Short, interchangeable cylinders, of
subtly different internal tapers, that screw into a threaded recess at the muzzle of a
shotgun. By inserting different choke tubes, one can alter the shot pattern thrown by the
A rebound, bounce or skip off a surface, particularly in the case of a projectile.
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.
Slang for eye protection. Referes to either goggles or safety glasses
The term used for the casing on modern rifle and pistol ammunition. It is usually made out of brass but can also be aluminum or steel.
The casing on a shotgun shell is usually refered to as a hull
A small metal cup that contains a tiny explosive charge that is sensitive to impact.
A primer is placed in the base of a shell casing to ignite the powder of the completed cartridge.
It is detonated by the striking of a firing pin in the firearm.
The relationship between a bullet's weight and its diameter. A long bullet, such as the original 7.62x54R
loading for the Mosin Nagant 91/30, will have a high sectional density and consequently greater
penetration than a shorter bullet of similar construction. A shorter bullet with less sectional
density will have relatively less penetration, but greater knockdown power.
A colloquial term to describe a break-open gun, of any quality but often of the very highest,
bearing the least possible decoration; having an all-blued receiver with either no
engraving at all or only a simple borderline.
A type of backstop that catches the fired bullet and prevents it from exiting the area. Bullet traps are most commonly used on indoor ranges.
An empty ammunition case.
The hinged cover over the opening through which cartridges are inserted into the magazine.
Commonly shortened to mag pouch, this is a device to hold extra magazines which fastens to the shooter's belt.
A matrix of dots, posts or lines, visible inside a rifle's telescopic sight, normally adjustable via exterior knobs for windage and elevation.
After careful adjustment at a known range, the shooter aims the rifle by superimposing this matrix onto the target. With good estimation or range,
cooperation from the wind, a clear eye and a steady hand, he may have a reasonable expectation of hitting his target.