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Breechblock

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A breechblock (or breech block) is the part of the firearm action that closes the breech of a weapon (whether small arms or artillery) at the moment of firing. [1]

66 relations: Action (firearms), AR-15 style rifle, Artillery, Autocannon, Automatic firearm, Bayonet mount, Blow forward, Blowback (firearms), Bolt (firearms), Bolt action, Break action, Breech-loading weapon, Browning BLR, Browning Hi-Power, Caliber (artillery), Cartridge (firearms), Chamber (firearms), Cocking handle, CZ 52, Ferguson rifle, Firearm, Fokker-Leimberger, Forearm (firearm component), Gewehr 98, Gun barrel, Heckler & Koch, Henry rifle, Interrupted screw, Kentucky Historical Society, Krag–Petersson, Lee–Enfield, Lever action, Locked breech, Luger pistol, M101 howitzer, M1895 Lee Navy, M1911 pistol, Martini–Enfield, Martini–Henry, Mk 18 Mod 0 grenade launcher, Ordnance QF 25-pounder, Peabody action, Pump action, Receiver (firearms), Recoil operation, Remington Rolling Block rifle, Rimfire ammunition, Roller locked, Rotating bolt, Ruger No. 1, ..., Semi-automatic firearm, Sharps rifle, Small arms, Snider–Enfield, Spencer repeating rifle, Springfield model 1873, Sprocket, Stock (firearms), Submachine gun, TOZ-17, Trigger (firearms), USS Alabama (BB-60), Welin breech block, Winchester Model 1200, .22 Long Rifle, .243 Winchester. Expand index (16 more) »

Action (firearms)

In firearms terminology, an action is the mechanism that handles the ammunition (loads, locks, fires, extracts and ejects) or the method by which that mechanism works.

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AR-15 style rifle

An AR-15 style rifle is a lightweight semi-automatic rifle based on the Colt AR-15 design.

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Artillery

Artillery is a class of large military weapons built to fire munitions far beyond the range and power of infantry's small arms.

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Autocannon

An autocannon or automatic cannon is a large, fully automatic, rapid-fire projectile weapon that fires armour-piercing or explosive shells, as opposed to the bullet fired by a machine gun.

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Automatic firearm

An automatic firearm continuously fires rounds as long as the trigger is pressed or held and there is ammunition in the magazine/chamber.

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Bayonet mount

A bayonet mount (mainly as a method of mechanical attachment, as for fitting a lens to a camera) or bayonet connector (for electrical use) is a fastening mechanism consisting of a cylindrical male side with one or more radial pins, and a female receptor with matching L-shaped slot(s) and with spring(s) to keep the two parts locked together.

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Blow forward

Blow-forward is a firearm operation type where the friction and pressure of the bullet traveling down the bore drag the barrel forward.

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Blowback (firearms)

Blowback is a system of operation for self-loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gas created by the ignition of the propellant charge.

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Bolt (firearms)

A bolt is the part of a repeating, breech-loading firearm that blocks the rear of the chamber while the propellant burns and moves to facilitate loading of cartridges from the magazine.

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Bolt action

Bolt action is a type of firearm action where the handling of cartridges into and out of the weapon's barrel chamber are operated by manually manipulating the bolt directly via a handle, which is most commonly placed on the right-hand side of the weapon (as most users are right-handed).

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Break action

Break action is a type of firearm action in which the barrel or barrels are hinged much like a door and rotate perpendicularly to the bore axis to expose the breech and allow loading and unloading of cartridges.

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Breech-loading weapon

A breech-loading gun is a firearm in which the cartridge or shell is inserted or loaded into a chamber integral to the rear portion of a barrel.

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Browning BLR

The Browning BLR is a lever-action rifle manufactured by Browning Arms Company.

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Browning Hi-Power

The Browning Hi Power is a single-action, semi-automatic handgun available in the 9mm and.40 S&W calibers.

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Caliber (artillery)

In artillery, caliber or calibredifference in British English and American English spelling is the internal diameter of a gun barrel, or by extension a relative measure of the length.

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Cartridge (firearms)

A cartridge is a type of firearm ammunition packaging a projectile (bullet, shots or slug), a propellant substance (usually either smokeless powder or black powder) and an ignition device (primer) within a metallic, paper or plastic case that is precisely made to fit within the barrel chamber of a breechloading gun, for the practical purpose of convenient transportation and handling during shooting.

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Chamber (firearms)

In firearms, the chamber is the portion of the barrel or firing cylinder in which the cartridge is inserted before being fired.

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Cocking handle

The cocking handle, also known as charging handle or bolt handle, is a device on a firearm which, when operated, results in the hammer or striker being cocked or moved to the ready position.

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CZ 52

The CZ 52 (also known by the Czechoslovak military designations vz. 52, for (vz. - vzor.

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Ferguson rifle

The Ferguson rifle was one of the first breech-loading rifles to be put into service by the British military.

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Firearm

A firearm is a portable gun (a barreled ranged weapon) that inflicts damage on targets by launching one or more projectiles driven by rapidly expanding high-pressure gas produced by exothermic combustion (deflagration) of propellant within an ammunition cartridge.

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Fokker-Leimberger

The Fokker-Leimberger was an externally powered, 12-barrel rifle-caliber rotary gun developed in Germany during the First World War.

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Forearm (firearm component)

In firearms, the forearm (also known as handguard or forestock) is a section of the weapon between the receiver and the muzzle.

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Gewehr 98

The Gewehr 98 (abbreviated G98, Gew 98 or M98) is a German bolt-action Mauser rifle firing cartridges from a 5-round internal clip-loaded magazine that was the German service rifle from 1898 to 1935, when it was replaced by the Karabiner 98k, a shorter weapon using the same basic design.

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Gun barrel

A gun barrel is a crucial part of gun-type ranged weapons such as small firearms, artillery pieces and air guns.

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Heckler & Koch

Heckler & Koch GmbH (HK) is a German defense manufacturing company that manufactures handguns, assault rifles, submachine guns, and grenade launchers.

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Henry rifle

The Henry repeating rifle is a lever-action, breech-loading, tubular magazine rifle famed both for its use at the Battle of the Little Bighorn and being the basis for the iconic Winchester rifle of the American Wild West.

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Interrupted screw

An interrupted screw or interrupted thread is a mechanical device typically used in the breech of artillery guns.

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Kentucky Historical Society

The Kentucky Historical Society (KHS), originally established in 1836 as a private organization, is an agency of the Kentucky state government that "collects, preserves, conserves, interprets and shares information, memories and materials from Kentucky's past to assist those interested in exploring and preserving that heritage".

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Krag–Petersson

The Krag–Petersson was the first repeating rifle adopted by the armed forces of Norway and was one of the first repeating rifles to be adopted as standard issue by a military force, Last retrieved 18 August 2005 being preceded by the Swiss Vetterli adopted in 1867.

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Lee–Enfield

The Lee–Enfield is a bolt-action, magazine-fed, repeating rifle that served as the main firearm used by the military forces of the British Empire and Commonwealth during the first half of the 20th century.

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Lever action

Lever action is a type of firearm action which uses a lever located around the trigger guard area (often including the trigger guard itself) to load fresh cartridges into the chamber of the barrel when the lever is worked.

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Locked breech

Locked breech is a firearms term used to describe the design of a breech-reloading firearm's action.

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Luger pistol

The Pistole Parabellum—or Parabellum-Pistole (Pistol Parabellum), commonly known in the United States as just Luger—is a toggle-locked recoil-operated semi-automatic pistol produced in several models and by several nations from 1898 to 1948.

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M101 howitzer

The 105 mm M101A1 howitzer (previously designated M2A1) was an artillery piece developed and used by the United States.

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M1895 Lee Navy

The Lee Model 1895 was a straight-pull, cam-action magazine rifle adopted in limited numbers by the U.S. Navy and Marine Corps in 1895 as a first-line infantry rifle.

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M1911 pistol

The M1911 is a single-action, semi-automatic, magazine-fed, recoil-operated pistol chambered for the.45 ACP cartridge.

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Martini–Enfield

Martini–Enfield rifles were, by and large, conversions of the Zulu War era.577/450 Martini–Henry, rechambering the rifle for use with the newly introduced.303 British cartridge.

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Martini–Henry

The Martini–Henry is a breech-loading single-shot lever-actuated rifle that was used by the British Army.

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Mk 18 Mod 0 grenade launcher

M2 Browning machine guns) The Mk 18 Mod 0 was a 40x46mm grenade launcher used by the United States Navy during the Vietnam War and also the last known hand crank operated firearm since the Gatling gun.

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Ordnance QF 25-pounder

The Ordnance QF 25-pounder, or more simply 25-pounder or 25-pdr, was the major British field gun and howitzer during the Second World War, possessing a 3.45-inch (87.6 mm) calibre.

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Peabody action

The Peabody action was an early form of breechloading firearm action, where the heavy breechblock tilted downwards across a bolt mounted in the rear of the breechblock, operated by a lever under the rifle.

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Pump action

A pump-action or slide-action firearm is one in which a forend can be moved forward and backward in order to eject a spent round of ammunition and to chamber a fresh one.

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Receiver (firearms)

In firearms terminology, the firearm receiver or firearm frame is the part of a firearm which provides housing for internal components such as the hammer, bolt or breechblock, action and firing mechanism, and is usually threaded at its forward portion to "receive" the barrel and has screw holes on the bottom and/or rear to receive the stock and grip.

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Recoil operation

Recoil operation is an operating mechanism used to implement locked-breech, autoloading firearms.

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Remington Rolling Block rifle

The Remington Rolling Block rifle was a breech-loading rifle produced from the mid-1860s into the early 20th century by E. Remington and Sons (later Remington Arms Company).

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Rimfire ammunition

Rimfire is a method of ignition for metallic firearm cartridges as well as the cartridges themselves.

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Roller locked

In firearms operating systems, the term roller locked refers to locking the bolt with rollers.

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Rotating bolt

Rotating bolt is a method of locking used in firearms.

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Ruger No. 1

The Ruger No.

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Semi-automatic firearm

A semi-automatic firearm, or self-loading firearm, is one that not only fires a bullet each time the trigger is pulled, but also performs all steps necessary to prepare it to discharge again—assuming cartridges remain in the firearm's feed device.

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Sharps rifle

Sharps rifles (singular Sharpe) are a series of large-bore single-shot rifles, beginning with a design by Christian Sharps in 1848, and ceasing production in 1881.

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Small arms

Small arms include handguns (revolvers and pistols) and long guns, such as rifles, carbines, shotguns, submachine guns, assault rifles, personal defense weapons, and light machine guns.

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Snider–Enfield

The British.577 Snider–Enfield was a breech-loading rifle.

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Spencer repeating rifle

The Spencer 1860 was an American lever action rifle.

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Springfield model 1873

The model 1873 "Trapdoor" Springfield was the first standard-issue breech-loading rifle adopted by the United States Army (although the model 1866 trapdoor had seen limited issue to troops along the Bozeman Trail in 1867).

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Sprocket

A sprocket or sprocket-wheel is a profiled wheel with teeth, or cogs, that mesh with a chain, track or other perforated or indented material.

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Stock (firearms)

A gunstock, often simply stock, also known as a shoulder stock, a buttstock or simply a butt, is a part of a long gun such as rifle, to which the barrelled action and firing mechanism are attached and is held against the user's shoulder when shooting the gun.

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Submachine gun

A submachine gun (SMG) is a magazine-fed, automatic carbine designed to fire pistol cartridges.

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TOZ-17

The TOZ-17 is a Soviet bolt-action.22 Long Rifle made by the TOZ firearms company, intended for professional and amateur hunting and sport shooting.

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Trigger (firearms)

A trigger is a mechanism that actuates the firing sequence of a firearm, airgun, crossbow or speargun.

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USS Alabama (BB-60)

USS Alabama (BB-60), a battleship, was the sixth ship of the United States Navy named after the US state of Alabama.

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Welin breech block

The Welin breech block was a revolutionary stepped, interrupted thread design for locking artillery breeches, invented by Axel Welin in 1889 or 1890.

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Winchester Model 1200

The Model 1200 and Model 1300 are two pump-action shotguns that were manufactured by the Winchester-Western Division of Olin Corporation.

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.22 Long Rifle

The.22 Long Rifle (metric designation: 5.6×15mmR) cartridge is a long-established variety of.22 caliber rimfire ammunition, and in terms of units sold is still by far the most common ammunition in the world today.

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.243 Winchester

The.243 Winchester (6×52mm) is a popular sporting rifle cartridge.

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Redirects here:

Breachblock, Breech (firearms), Breech block, Sliding block breech.

References

[1] https://en.wikipedia.org/wiki/Breechblock

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