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27-428: The Benelli Supernova is a pump action shotgun used for hunting , self-defense and law enforcement , made by Italian firearm manufacturer Benelli Armi SpA . The Supernova features a recoil reducer, which is attached to the interior of the stock, and raises the length of time that the shot's impulse is spread across, thus lowering felt recoil. Three main models are available: Pump action shotgun Because

54-466: A Bakelite pump action foregrip, a hinged magazine insert which could be pivoted backwards to allow jams to be cleared without having to remove the magazine and to facilitate cleaning, and a safety switch in the pistol grip, easily operated by the users thumb. Regardless of the EMC's innovative features the design was not adopted. The BSA Machine Carbine is a blowback-operated, magazine-fed weapon chambered in

81-529: A similar mechanism to both load a pellet and compress a spring piston for power, or pneumatic guns where a pump is used to compress the air used for power. See the airgun article for information on how spring piston and pneumatic airguns work. The 43mm GM-94 is a pump-action grenade launcher developed by the KBP design bureau for use by Russian special forces . It carries three rounds in an above-the-barrel tubular magazine. Another pump-action grenade launcher

108-417: A sleeve around the grip area of the stock which the shooter would slide back and forward to cycle the gun. This was done because the forend based pump action was under patent at the time. Pump-action shotguns , also called pump shotguns , slide-action repeating shotguns or slide-action shotguns are the most commonly seen pump-action firearms. These shotguns typically use a tubular magazine underneath

135-516: A trigger disconnector, which disconnects the trigger from the sear as the bolt moves back, so that the trigger must be released and pulled again to fire the shotgun after it closes. Many early pump shotguns, such as the Winchester 1897 , did not have trigger disconnectors, and would, if the trigger were held back, fire immediately upon closing. Due to the higher rate of fire that this allows, some shooters prefer models without this feature, such as

162-718: A wooden stock, forward pistol grip and better construction. However, by the late 1940s the British Army was testing replacements. The Welgun developed by BSA during the war was briefly considered as was a design from Enfield. However, the Patchett Machine Carbine Mk 1. made by the Sterling Armaments Company which had been trialled during the war was chosen and as the Sterling submachine gun entered service in 1953. However, there

189-486: Is especially important when hunting, as many locations have legal limits on the magazine capacity: for example, three rounds for shotguns and five rounds for rifles. The BSA Machine Carbine used a unique pump-action that also required twisting the handguard. Another variant was the Burgess Folding Shotgun from the late 19th century where instead of manipulating the forend to cycle the action, it had

216-587: Is the China Lake grenade launcher , which saw usage by the U.S. Navy SEALS in the Vietnam War in limited numbers. BSA experimental model 1949 The BSA Experimental Model 1949 was a submachine gun of British origin intended to replace the Sten submachine gun . The weapon was fed from a 32-round box magazine inserted in the side and had an unusual twist-action bakelite-covered handguard. Following

243-614: Is the Krieghoff Semprio "in-line repeating rifle ". The Semprio is a reverse pump-action system that ejects cartridges when the fore-end is pushed forward and loads the chamber when pulled backward. The Semprio's 7-lug bolt head design displays a locking surface of 65 mm (0.101 in ) compared to the 56 mm (0.087 in ) of the Mauser M98 bolt-action rifle . The term pump-action can also be applied to various airsoft guns and air guns , which use

270-414: Is typically fed from a tubular magazine underneath the barrel, which also serves as a guide to the movable forend. The rounds are fed in one by one through a port in the receiver, where they are pushed forward. A latch at the rear of the magazine holds the rounds in place in the magazine until they are needed. If it is desired to load the gun fully, a round may be loaded through the ejection port directly into

297-607: The Ithaca 37 , Stevens Model 520/620 , and Winchester Model 12 . When used in rifles , this action is also commonly called a slide action . In the late 19th and early 20th century it was referred to as a trombone action , because it functioned similarly to the musical instrument of the same name. Colt manufactured the Colt Lightning Carbine from 1884 to 1904 chambered in .44-40 caliber. The slide action Winchester Model 1890 chambered in .22 caliber

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324-406: The gun barrel to hold the shells , though there are some variants that use a box magazine like most rifles. It's not uncommon to see extra ammunition stored in externally mounted "shell holder" racks (usually as "sidesaddle" on one side of the receiver , or on the buttstock ) for quick on-field reloading. The shells are chambered and extracted by pulling/pushing the sliding fore-end enveloping

351-512: The 9×19mm round. Unusually the weapon lacks a bolt handle; instead it came with a pump-action foregrip operated by pushing it forward and then pulling it back; this pushed a bar which pushed the bolt back and cocked the weapon. The grip was then rotated slightly to disengage the bar and allow the bolt to cycle once fired. In response to the Welgun's open receiver, the EMC was enclosed with only the magazine insert and ejection port open when firing. When

378-399: The bolt moves rearwards, a single shell is released from the magazine, and is pushed backwards to come to rest on the elevator. As the forend reaches the rear and begins to move forward, the elevator lifts up the shell, lining it up with the barrel. As the bolt moves forward, the round slides into the chamber, and the final portion of the forend's travel locks the bolt into position. A pull of

405-400: The chamber, or cycled from the magazine, which is then topped off with another round. Pump shotguns with detachable box magazines or even drums exist, and may or may not allow the magazine to be inserted without stripping the top round. Nearly all pump-actions use a back-and-forward motion of the forend to cycle the action. Only a few pump-actions use the "reverse" or forward-and-back motion of

432-532: The end of World War Two, the British Army sought a replacement for the Sten which was the submachine gun of the British military since 1940. The Sten was simple, cheap and unrefined. While this very crudity was a positive asset in the straitened circumstances the British found themselves in during the war, a more refined and durable variant was requested. The Sten Mark V was developed to fill this need during 1944, adding

459-427: The forend is manipulated usually with the support hand, a pump-action firearm is much faster than a bolt-action and somewhat faster than a lever-action , as it does not require the trigger hand to be removed from the trigger while reloading. Also because the action is cycled in a linear fashion, it creates less torque that can tilt and throw the gun off aim when repeat-firing rapidly. The first slide action patent

486-470: The forend to cycle the action, a few examples are the Russian RMB-93 and South African NeoStead 2000 . The forend is connected to the bolt by one or two bars; two bars are considered more reliable because it provides symmetric forces on the bolt and pump and reduces the chances of binding. The motion of the bolt back and forth in a tubular magazine model will also operate the elevator , which lifts

513-550: The majority of pump-action shotguns and rifles use a fixed tubular magazine . This makes for slow reloading, as the cartridges have to be inserted individually into the magazine of the firearm. However, some pump-action shotguns and rifles, including the Russian Zlatoust RB-12 , Italian Valtro PM5 , American Remington 7600 series, and the Mossberg 590M, use detachable box magazines . A pump-action firearm

540-407: The shells from the level of the magazine to the level of the barrel. After firing a round, the bolt is unlocked and the forend is free to move. The shooter pulls back on the forend to begin the operating cycle. The bolt unlocks and begins to move to the rear, which extracts and ejects the empty shell from the chamber, cocks the hammer, and begins to load the new shell. In a tubular magazine design, as

567-431: The trigger will fire the next round, where the cycle begins again. Most pump-action firearms do not have any positive indication that they are out of ammunition, so it is possible to complete a cycle and have an empty chamber. The risk of running out of ammunition unexpectedly can be minimized in a tubular magazine firearm by topping off the magazine by loading new rounds to replace the rounds that have just been fired. This

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594-455: The tubular magazine toward the user. In modern shotguns, the fore-end can be replaceable and often include picatinny rails or M-LOK for mounting accessories such as a tactical light , and the traditional straight grip might be replaced with a pistol grip for a more stable control. Modern pump shotgun designs, such as the Remington 870 and Mossberg 500 , have a safety feature called

621-473: Was another contender which was also made by BSA. The "Experimental Machine Carbine, 1949" (EMC). Chambered in the same 9 mm Parabellum cartridge as the Sten with a side-mounted 32-round box magazine, shared by the Sten and later the Sterling. The EMC used blowback action but cycled, faster than the Sterling and all of the earlier Sten variants, at 600 rounds per minute. It came with unusual features, notably

648-461: Was issued to Alexander Bain of Britain in 1854. The first pump action firearm with a magazine was technically the gun patented in America on the 22nd of May in 1866 by Josiah V. Meigs although the pump action was actuated via the trigger guard rather than a sliding handguard underneath the barrel. The first magazine-using pump-action firearm to operate using a sliding handguard underneath the barrel

675-1012: Was often used in conjunction with the M1897 and M1912 shotguns in World War I trench warfare. Modern pump-action designs are a little slower than a semi-automatic shotgun , but the pump-action offers greater flexibility in selection of shotshells , allowing the shooter to mix different types of loads and for using low-power or specialty loads. Semi-automatic shotguns must use some of the energy of each round fired to cycle their actions, meaning that they must be loaded with shells powerful enough to reliably cycle. The pump-action avoids this limitation. In addition, like all manual action guns, pump-action guns are inherently more reliable than semi-automatic guns under adverse conditions, such as exposure to dirt, sand, or climatic extremes. Thus, until recently, military combat shotguns were almost exclusively pump-action designs. Like most lever-action rifles and shotguns,

702-445: Was one of the most successful repeating rimfire rifle made by Winchester . Approximately 849,000 Model 1890 rifles were produced between 1890 and 1932. Later pump-action rifles were also manufactured by Winchester, Marlin , Browning and Remington . A "reverse pump-action" design can sometimes be found, where the extraction is done by pushing the fore-end forwards, and re-chambered by pulling backwards. One such 21st-century variant

729-400: Was the firearm patented by William Krutzsch of Britain on the 27th of August in 1866, a few months after Meigs. Many older pump-action shotguns can be fired faster than modern ones, as they often did not have a trigger disconnector , and were capable of firing a new round as fast as the pump action was cycled, with the trigger held down continuously. This technique is called a slamfire , and

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