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58-416: The SG-43 used a tilting breechblock , moving sideways and locking into the side of the receiver. The feed is not straightforward, as the gun fires the 7.62×54mmR round, and this has to be withdrawn rearwards from the belt before ramming into the breech . The reciprocating motion is achieved by using two claws to pull the round from the belt, and then an arm pushes the round into the cartridge guide ready for

116-743: A Low-Wall design, and the .243 Winchester and .30-06 Springfield were of the High-Wall design. The most faithful of the reproductions are the Traditional Hunter Limited Series Model 1885 Single Shots, as they have the original style steel crescent butt plates, and folding steel tang rear sights, with full-length octagon barrels. The Traditional Hunters are chambered in the 19th-century calibers of .45-90 Sharps , .45-70 Government , .405 Winchester , and .38-55 Winchester . Test firing of some of these Winchesters showed that they are high quality in construction, using

174-534: A domestically produced copy of the Kalashnikov PKM machine gun. Single-shot#Tilting block actions In firearm designs, the term single-shot refers to guns that can hold only a single round of ammunition inside and thus must be reloaded manually after every shot. Compared to multi-shot repeating firearms ("repeaters"), single-shot designs have no moving parts other than the trigger , hammer / firing pin or frizzen , and therefore do not need

232-530: A firing pin that used the existing percussion hammer, so no changes were required to the lock. After firing, the act of opening the bolt would partially extract the fired case from the chamber, allowing it to be removed. In 1866, the United States standardized on the Springfield Model 1866 rifle and .50-70 cartridge, chambered in trapdoor conversions of rifled muskets that had been used in

290-506: A hinge. When a locking latch is released, the barrel assembly pivots away from the receiver, opening the breech and sometimes on higher quality firearms, partially extracting the spent cartridge. In a rolling block action, the breechblock takes the form of a part-cylinder, with a pivot pin through its axis. The operator rotates or "rolls" the block to open and close the breech; it is a simple, rugged and reliable design. Rolling blocks are most often associated with firearms made by Remington in

348-420: A hot barrel to be lifted clear without difficulty. The World War II version of the gun had a smooth outline to the barrel, and the cocking handle was under the receiver, with no dust covers to the feed and ejection ports. The machine gun was developed as GVG (after last names of three designers) from February 1940 to November 1942, originally to be either fired from a magazine or belt-fed, however in spring 1942

406-424: A man." The .32-40 and .38-55 were able to buck the wind better at 200 yd (180 m), and not wear the rifleman out by heavy recoil, all while sustaining great accuracy. In the end, though, it was the .32-40 single-shot rifle that became the dean of match shooters, as the recoil from the .38-55 took its toll after hundreds of rounds had been fired during a match. In 1878, John Moses Browning patented arguably

464-567: A screw thread to attach the chambered barrel to a receiver with some sort of breech and firing pin. The user unscrews the barrel from the receiver to expose the chamber to load a cartridge. The RN50 .50 BMG single-shot rifle uses a similar screwthread breech cap to allow an otherwise simple break-action to contain a .50 BMG cartridge . Although non-cartridge single-shot firearms are still made in hobbyist contexts (for example, replicas of antique guns), this discussion focuses on newer designs employing cartridges. The modern era of single-shot firearms

522-753: A sizable receiver behind the barrel to accommodate a moving action , making them far less complex and more robust than revolvers or magazine / belt -fed firearms, but also with much slower rates of fire . The history of firearms began with muzzleloading single-shot firearms such as the hand cannon and arquebus , then multi-barreled designs such as the derringer appeared, and eventually many centuries passed before breechloading repeating firearms became commonplace. Although largely disappeared from military usage due to insufficient firepower , single-shot firearms are still produced by many manufacturers in both muzzleloading and cartridge -firing varieties, from zip guns and ultra-concealable pocket pistols to

580-487: Is a bolt-action, anti-materiel, or large-caliber sniper rifle. With a buffered slide in the receiver, the barrel can recoil inside the frame, allowing for large rounds to be fired with relative ease by the user. It is chambered for 20×82mm Mauser , 14.5×114mm , and 20×110mm Hispano-Suiza round. Specifically, it is only a single-shot when chambered to the 20mm Hispano-Suiza round, while the remaining chamberings fed from 3-round magazines. The original version of Steyr HS .50

638-426: Is a single-shot bolt-action sniper rifle. It is chambered in .50 BMG (or .460 Steyr) and can reach ranges from 1,500 to 2,500 m (1,600 to 2,700 yd). Frizzen The frizzen , historically called the "hammer" or the steel , is an L-shaped piece of steel hinged at the front used in flintlock firearms . The frizzen is held in one of two positions, opened or closed, by a leaf spring . When closed, it

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696-504: Is most visible in the realm of pistols. Remington introduced the single-shot bolt-action XP-100 pistol in 1963, which heralded the era of high-performance, high-velocity pistols. The .221 Fireball cartridge lived up to its name by reaching velocities of 2,700 ft/s (820 m/s) from a 10.5 in (27 cm) barrel. Essentially a shortened .222 Remington , the compact .221 Fireball delivered accuracy exceeding many rifles, out to ranges unheard of for other handguns. Even bigger than

754-421: Is often referred to as a "kitchen door gun" or a "farm gun" due to its low cost as a self-defense weapon. The earliest metallic-cartridge breechloaders designed for general military issue began as conversions of muzzle-loading rifle muskets. The upper rear portion of the barrel was filed or milled away and replaced by a hinged breechblock which opened upward to permit loading. An internal angled firing pin allowed

812-598: Is perhaps the most well-known of these. As the era of single-shot rifles faded, so did these early single-shot pistols. In 1907, J. Stevens Arms, a maker of inexpensive break-open single-shot rifles in pistol calibers, started making pistol versions of their rifles. This pistol was chambered in .22 Long Rifle and came with adjustable iron sights and grips designed for target shooting. These models were discontinued in 1939. Single-barrel shotguns have always been popular as an inexpensive alternative to double-barreled shotguns . They are almost always break-open designs, like

870-399: Is positioned over the flash pan so as to enclose a small priming charge of black powder next to the flash hole that is drilled through the barrel into which the main charge has been loaded. When the trigger is pulled, the cock, which holds a shaped piece of flint clamped in a set of jaws with a scrap of leather or thin piece of lead, snaps forward causing the flint to scrape downward along

928-438: Is the "trapdoor" or Allin action used in early cartridge conversions of 1863 Springfield muzzleloading rifles. The conversion consisted of filing out (or later milling out ) the rear of the barrel, and attaching a folding bolt, the "trapdoor", that flipped up and forwards to allow the cartridge to be loaded in the breech. Once loaded, the bolt was closed and latched in place, holding the round securely in place. The bolt contained

986-457: The .50-110 Winchester , and were used for hunting large game, often bison . Later production rifles would be in popular smokeless powder cartridges, such as the .30-40 Krag . Single-shot rifles co-existed for some time with the lever-action rifle, but they began to fade out of manufacture with the advent of reliable bolt-action rifles. The handgun began as a single-shot weapon in China in

1044-688: The American Civil War . The trapdoor mechanism continued usage in 1873 with the adoption of the Springfield Model 1873 rifle and .45-70 cartridge. The Springfield Model 1873 rifle stayed in service until 1892 when it was replaced by the Krag–Jørgensen bolt-action rifle from 1892 until 1903. Another muzzleloader conversion similar in concept to the Allin action was the British Snider–Enfield , also introduced in 1866, which hinged to

1102-800: The Berdan Type II introduced by Russia in 1870, the Mauser Model 1871 , and a modified Chassepot, the Gras rifle of 1874; all these were single-shots. Today most top-level smallbore match rifles are single-shot bolt-actions. Single-shot bolt-actions in .22 caliber were also widely manufactured as inexpensive "boys' guns" in the earlier 20th century; and there have been a few single-shot bolt-action shotguns, usually in .410 bore. The OSS stinger pen pistol and several other clandestine pen guns, as well as homemade zip guns often made using plumbing parts, and cane guns used for both defense and poaching use

1160-531: The Brown Bess , Charleville and Springfield Model 1861 muskets, the Kentucky and Mississippi rifles, and the duelling pistol . There were also early breech-loading single-shot rifles, such as those manufactured by Hall , Ferguson , and Sharps . Almost all of the early cartridge-fed rifles were single-shot designs, taking advantage of the strength and simplicity of single-shot actions. A good example

1218-510: The Farquharson rifle , and the modern Ruger No. 1 . Although bolt-actions are usually associated with fixed or detachable box magazines, in fact, the first general-issue military breechloader was a single-shot bolt-action: the paper-cartridge Prussian needle gun of 1841. France countered in 1866 with its superior Chassepot rifle , also a paper-cartridge bolt-action. The first metallic-cartridge bolt-actions in general military service were

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1276-630: The "trapdoor" Snider–Enfield was the standard British Army rifle of the later Victorian era, and the Martini was also a popular action for civilian rifles. Charles H. Ballard's self-cocking tilting-block action was produced by the Marlin Firearms Company from 1875 and earned a superlative reputation among long-range "Creedmoor" target shooters. Surviving Marlin Ballards are today highly prized by collectors, especially those mounted in

1334-544: The 14th century. In its many versions, it remained a muzzle-loaded weapon until the advent of the metallic cartridge in the first third of the 18th century. Such single-shot cartridge-firing pistols were short-lived, as revolver technology evolved rapidly, and cartridge conversions existed for the common models of cap and ball revolvers. Two forms of single-shot pistol, however, remained: single-shot derringers , and target pistols, which were essentially single-shot rifle actions cut down to pistol size. The Remington Rolling Block

1392-522: The Browning name. Although the rifle gained fame under the Winchester brand name, it was John Moses Browning that designed the rifle, selling the rights to Winchester in the early 1880s and was in production from 1885 to 1920. The majority of rifles made by Cooper are single-shot bolt-action rifles. Many of their rifles are specially crafted to suit long-range varmint hunting, where the accuracy of

1450-618: The Colt-manufactured Russian Berdan Type I . All of these designs save the 1863 Tarpley date from the period 1865–1869, and all but the Tarpley and the Russian Berdan were conversions from muzzle-loaders. Perhaps the most common type of single-shot action, usually found in shotguns, small pistols, and black-powder "elephant" guns, a break action connects the barrel assembly to the breechblock with

1508-588: The Peabody, the Peabody–Martini, and Ballard actions. The original Peabody rifles, manufactured by the Providence Tool Company, used a manually cocked side-hammer. Swiss gunsmith Friedrich Martini devised an action that resembled the Peabody but incorporated a hammerless striker cocked by the operating lever with the same motion that pivoted the block. The 1871 Martini–Henry which replaced

1566-638: The XP-100, the 1967 introduction of the Thompson Center Arms Contender pistol changed handgun sports forever. The Contender was a break-open design that allowed barrels to be changed by the shooter in minutes. Available in calibers from .22 Long Rifle up to .45-70 , and in barrel lengths of 8 to 14 in (20 to 36 cm), the Contender could, in the right hands, handle any type of game, and delivered rifle-like accuracy to match

1624-469: The XP-100. Many other manufacturers make single-shot pistols, most based on the bolt-action rifle, with barrels generally ranging from 10 to 15 in (25 to 38 cm). Single-shots dominate handgun metallic silhouette shooting and are the most common type used for hunting. Single-shot pistols have sometimes found popularity among insurgents , resistance fighters, and street gangs . The mass-produced, low-cost Liberator pistol of World War II , which

1682-458: The bolt to carry it to the breech. Despite this complication, the SG-43 was remarkably reliable and feed jams were apparently few. The barrel is air-cooled and massively dense, contributing to a fairly high overall weight. The bore is chromium-plated and able to withstand continuous fire for long periods. The barrel can also be easily changed by releasing a simple lock, and the carrying handle allows

1740-407: The carbon content of the iron in a layer close to the surface of the frizzen so that it hardens the outside while the center remains relatively ductile so as to prevent through-cracking. Through the wear of continued use a frizzen will lose its ability to create enough sparks to reliably ignite the powder, thereby necessitating that it be re-hardened or replaced. This firearms -related article

1798-508: The charging handle from the bottom to the side, and redesigned the barrel lock mechanism so that the barrel could be quickly change in the field. Otherwise, the machine gun is identical to an SGM, and most parts are interchangeable. It was used by the Hungarian army on a limited scale, including in the KGKT version as the turret machine gun on D-944 PSZH scout car , and was later replaced by

SG-43 Goryunov - Misplaced Pages Continue

1856-564: The current popularity is due to the film Quigley Down Under that featured a Sharps Model 1874 rifle. The popularity of Cowboy action shooting has also affected the availability of single-shot rifles, with many replicas of the old black-powder rifles, particularly the Sharps , now being available. The Barrett M99 is a single-shot, bolt-action, bullpup sniper rifle. It is chambered in .50 BMG, and .416 Barrett round that has 0.5 MOA accuracy at ranges that far exceed one mile. The Denel NTW-20

1914-413: The double-barreled designs, but far less expensive since they do not require the precise aligning of parallel barrels. Single-barrel shotguns are also lighter, which can be an advantage if they are carried hunting, though it does mean they have more felt recoil . They are not widely used in shotgun sports, as most events require the ability to quickly fire two successive shots. The single-barrel shotgun

1972-488: The early 20th century. After the advent of high-powered repeating rifles, single-shot rifles were primarily used for target shooting matches, with the first official match shooting event, opening at Creedmoor, Long Island in 1872. From about 1872 until the U.S. entry into World War I in 1917, target shooting with single-shot rifles was nearly as popular in America as golf is today. During that golden age of match shooting,

2030-495: The elaborate Swiss-style Schützen stocks of the day. In a falling or sliding block action the block does not pivot but rather slides vertically in a slot milled into the receiver. Falling blocks are among the strongest small-arm actions ever produced, and are also used in heavy artillery. Well-known falling block designs include the Sharps rifles and carbines, the Browning/Winchester Single Shot ,

2088-468: The falling block action cuts about 4 in (10 cm) off the length of the rifle for a given barrel length. From 1972 to 1987, Ruger also made a less expensive version of the #1, the #3. The #3, which sold for about half the price of a #1, used a simplified, non-locking lever for the falling block action, and came with an uncheckered stock. In 1985, Browning re-introduced the famous Winchester Model 1885 single-shot rifles in popular calibers but under

2146-401: The frizzen's face (historically called the 'battery'), throwing it forward into the open position and exposing the priming powder. The flint scraping along the steel causes a shower of sparks to be thrown into the pan, thereby igniting the priming powder therein and sending flames through the touch hole , which in turn ignites the main charge of black powder in the breech of the barrel, driving

2204-666: The greatest single-shot rifle ever produced: after Browning sold his design to the Winchester Repeating Arms Company it was brought out as the Winchester Model 1885 Rifle. Although fewer than 200,000 Model 1885 Single Shots were built, they remained in production from 1885 to 1920. Remington , Sharps , and Browning all made single-shot rifles using different actions, such as the rolling block and falling block . These rifles were originally chambered in large black-powder cartridges, such as

2262-580: The gun effectively obsolete. The KGK ( Korszerűsített Gorjunov-Kucher ) general purpose machine gun was based on the Goryunov machine gun modified by a FEG team headed by József Kucher (partner of Pál Király best known for his Kucher Model K1 SMG) and produced in Hungary during the 1960s and 1970s. The team added a butt-stock, a pistol grip, a conventional trigger and a bipod from the RPD machine gun , moved

2320-421: The hands of criminals and insurgents, especially when manufactured firearms are difficult to acquire. In 1966, Sturm, Ruger introduced their first true rifle, Ruger No. 1 , which uses a falling-block action and is available in a wide selection of calibers from .22 Hornet to .458 Winchester Magnum . The No. 1 has always been sought after by shooters who appreciate the compact size of a single-shot rifle, and

2378-500: The highest-quality hunting and match rifles. The vast majority of firearms before the introduction of metallic cartridges from the 1860s onwards were single-shot muzzleloaders . However, multi-barrel, breechloading , revolving, and other multi-shot firearms had been experimented with for centuries. Notable pre-cartridge era single-shot firearms included matchlock , wheellock , snaplock , doglock , miquelet lock , flintlock , and percussion cap firearms. Muzzleloaders included

SG-43 Goryunov - Misplaced Pages Continue

2436-556: The later 19th century; in the Remington action the hammer serves to lock the breech closed at the moment of firing, and the block, in turn, prevents the hammer from falling with the breech open. An interesting variation of the rolling block was the Austrian M1867 Werndl–Holub , in which the pivot pin was parallel to the barrel and the block rotated sideways. These are actions wherein the breechblock lowers or "drops" into

2494-472: The latest technology and modern steel, they are stronger and safer than their 19th-century predecessors, and accuracy from their factory (non-custom) barrels were exceptionally good; especially at 200 yd (180 m). Sharps rifles were a staple of the buffalo hunters in the late 19th century. Recently, they have had a resurgence in popularity for hunting large game as well as historical firearms events and black-powder cartridge (BPCR) competitions. Much of

2552-596: The magazine feeding was dropped. After field trials on the frontline it was adopted as the M1943 Goryunov machine gun in May 1943. In 1944-1945 the machine gun was improved by Alexander Zaytsev and Mikhail Kalashnikov , with the new version receiving SGM ("M" for modernized) designation. Reloading handle was moved, dust covers and a new barrel lock were fitted, and a splined barrel was fitted to improve cooling. A coaxially-mounted stockless electric solenoid-fired variant

2610-415: The metal of the frizzen be brought to a sufficiently high carbon content by the process of carburization , wherein carbonaceous materials such as horn, hooves, and leather scraps were wrapped around the frizzen in a clay or metallic crucible which was then placed into a forge or other furnace for several hours to raise the carbon content of the steel through the process of diffusion . This process increases

2668-483: The most popular target rifles were made by Bullard , Stevens , Remington , Maynard , Ballard, Farrow, and Winchester . Calibers used by some of these rifles during matches ranged from the .25-20 Winchester , .32-40 Winchester , .33 Winchester , .35 Winchester , .38-55 Winchester , .40-50 Winchester, .40-70 Winchester, .44-105 Winchester, etc. for over 600 yd (550 m) shooting at Creedmoor. But two calibers maintained consistency throughout their tenure during

2726-770: The preferred tools of big-game hunters in the late 19th century. The buffalo hunters of the American West used Sharps, Remington, and Springfield single-shots; ivory and trophy hunters in Africa and Asia used Martini and break-action "express rifles" and "elephant guns." These rifles were designed for very large black-powder cartridges, from military-issue .45-70 on up to the enormous .50-140 Sharps and .500 Express ; early repeating actions were not capable of handling rounds of this power and physical size. The single-shot big-game rifle would only be displaced by bolt-action repeaters firing high-velocity smokeless-powder cartridges in

2784-468: The projectile out of the muzzle . The development of the frizzen which combines both the "battery" or striking surface and separate pan cover on the less advanced " snaphaunce " lock is often credited to French gun maker Marin le Bourgeoys around 1610. He may have been influenced by the Spanish " miquelet " lock that utilized a similarly shaped frizzen at least two decades earlier. It is important that

2842-698: The re-use of the rifle's existing side-hammer. The Allin action made by Springfield Arsenal in the US hinged forward; the Snider–Enfield used by the British opened to the side. Whereas the British quickly replaced the Snider with a dropping-block Peabody-style Martini action, the US Army felt the trapdoor action to be adequate and followed its muzzleloader conversions with the new-production Springfield Model 1873 , which

2900-446: The receiver to open the breech, usually actuated by an underlever. There are two principal types of dropping block: the tilting or pivoting block and the falling or sliding block. In a tilting or pivoting block action, the breechblock is hinged at the rear (in contrast with tilting bolt , which is not hinged). When the lever is operated, the block tilts down and forward, exposing the chamber. The best-known pivoting block designs are

2958-538: The side rather than forward. Unlike the US Army, which kept its trapdoors for decades, the British soon moved beyond the Snider to the more sophisticated dropping-block Martini action derived from the Peabody action . Martini–Henrys were the standard British rifles of the late Victorian era, and Martini–Enfield conversions continued in second-line service until the Second World War. Single-shot rifles were

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3016-697: The single-shot action is helpful. Remington has once again made their No. 1 Rolling Block rifles available through their custom shop. One of the most common single-action rifles would be the New England Firearms' inexpensive break-open rifles, which are built on their 12 gauge break-open shotgun actions. The rifles, however, are made on a heat-treated steel action, and the shotgun actions are not heat-treated. Any rifle frame may accept rifle or shotgun barrels. The shotgun frames, however, are only safe for shotgun barrels. These were originally built by Harrington & Richardson starting in 1871. H&R

3074-411: The single-shot era: the .32-40 and the .38-55 calibers. The minimum standard in the beginning of the sport had been 200 yd (180 m) firing from the standing position (off-hand position). No rifle scopes, no bench rests, no prone (lying down on the front) positions, but shooting, as famed rifle barrel maker, Harry Melville Pope (1861–1950), once stated, "standing on his hind legs and shooting like

3132-755: Was also produced in Czechoslovakia (as Vz 43) and Poland (as Wz 43). In addition to World War II, SG-43 saw service in the Korean War with the Communist North Korean and Chinese forces . In Soviet service, the Goryunov, together with the RP-46 , was replaced in the 1960s by the PK machine gun due to the switch in Soviet tactical doctrine to the general-purpose machine gun concept, rendering

3190-516: Was developed under the designation SGMT (the "T" standing for Tankovy , or "Tank"). The SG-43M and SGMB are versions modified with dust covers and used mostly on armoured personnel carriers . The SG-43/SGM was widely exported and also licensed for construction in several countries. It was manufactured in the People's Republic of China as the Type 53 (SG-43) and Type 57 (SGM) heavy machine guns. It

3248-581: Was later acquired by NEF, and both are now part of the Marlin Firearms family. Rifles are sold both under the NEF and the H&;R names. These rifles are quite accurate, and often less than half the price of a bolt-action rifle in the same caliber. In 2005, Winchester re-marketed their legendary Model 1885 Single Shot Rifle , under their Limited Series category. The modern calibers of .17 were offered in

3306-445: Was manufactured and distributed by U.S. forces to Allied resistance forces and guerrilla fighters as an assassination pistol, is the most common example of a mass-produced single-shot pistol. More than a million units were produced and distributed freely, and many remain in private hands. A few varieties of zip guns could also be considered single-shot pistols. In recent years, these improvised firearms have become more common in

3364-835: Was the principal longarm of the Indian Wars and was still in service with some units in the Spanish–American War . Other trapdoor actions include the rare Confederate Tarpley carbine , the Austrian Wanzl , the Belgian Albini-Braendlin rifle and Terssen conversion (some of which were made from French 1777 pattern flintlocks), the M1842/59/67 Swiss Milbank-Amsler, the M1859/67 Spanish Berdan, and

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