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Belt (firearms)

Belt (firearms)

*For the belt (aka "Shot belt" or "ammunitionbelt") a person wears, with loops for inserting ammunition cartridges see.For the term "belt" as applied to cartridges, seeor.*

A belt or ammunition belt is a device used to retain and feed cartridges into a firearm. Belts and the associated feed systems are typically employed to feed machine guns or other automatic weapons. Belt-fed systems minimize the proportional weight of the ammunition to the feeding device along with allowing high rates of continuous fire. The capacity of belts and carriers is typically a function of weight and bulk. Their size is limited by caliber and the portability of the combined weapon and ammunition. The most common sizes typically carried on a man-portable weapon run from 50 to 300 rounds.


Feed Strip

8mm Lebel feed strip on an M1914 Hotchkiss gun

8mm Lebel feed strip on an M1914 Hotchkiss gun

The "Feed Strip" (also referred to as an "ammo strip" or "feed tray") was initially designed in 1895, based on initial designs by Captain Baron Adolf Odkolek von Ujezda of Vienna, Austria. A feed strip is a simple rigid metal (usually steel or brass) tray with typically 24 to 30 cartridges crimped together into a row. The feed strip is loaded into the side of the gun and as the cartridges are stripped off and fired from the weapon, the tray gradually moves to the other side until it falls out when it is empty, whereupon a new one is inserted. In this regard, it is similar to an En-bloc clip. The "feed strip" loading system was pioneered by the Hotchkiss machine gun designs, most notably the Hotchkiss M1914 machine gun. The Hotchkiss guns were used by major militaries such as the United States, the United Kingdom and the French throughout the duration of the first world war and slightly afterwards. However, the feed strip mechanisms lived on through other militaries, most notably the Japanese-designed Type 3 and Type 92 machine guns, which were used up until the end of the Second World War.[1]

Articulated "Strip"

Though the feed strips were replaced by most militaries by machine guns using either belts or magazines, the Hotchkiss feed strip design actually pioneered an early 50-round belt mechanism, made up of articulated pieces of metal folded together, resembling feed strips.

The articulated Hotchkiss belt design also dates back to 1896.[1]


An M27 disintegrating belt loaded with 5.56×45mm NATO M855 Ball and M856 tracer ammunition being fed into an M249 light machine gun.

An M27 disintegrating belt loaded with 5.56×45mm NATO M855 Ball and M856 tracer ammunition being fed into an M249 light machine gun.

Many modern ammunition belts use disintegrating links.

Disintegrating links retain a single round and are articulated with the round ahead of it in the belt.

When the round ahead is stripped from the belt and fed into the feed system or chamber, the link holding it is ejected and the link holding the following round is disarticulated.

Many disintegrating belt designs allow two pieces of belt to be connected by a cartridge, it applies even to non-disintegrating belts.

When done by assistant gunner in combat, linking a new belt to the end of the belt already being fed in the weapon allows for continuous fire without the need to open the feed tray and reload.


Method of joining German non-disintegrating metallic-link ammunition machine gun belts

Method of joining German non-disintegrating metallic-link ammunition machine gun belts

This type of belt consists of a design that can be reused, as it does not fall apart during function, similar to a feed strip.

This is found on only a few types of machine guns, such as the Soviet DShK, RPD, PK, the German MG 34, MG 42, MG 3 and the British Vickers, which used a non-disintegrating canvas and brass belt. Arguably, precursors to the belt-fed machine gun were the Cass rifle, patented in 1848, and the Treeby chain gun, patented in the 1850s.[3] Belts were originally composed of canvas or cloth with pockets spaced evenly to allow the belt to be mechanically fed into the gun. These designs were prone to malfunctions due to the effects of oil and other contaminants altering the belt. If they became saturated with water, canvas belts including the loops holding the cartridges would contract, and the gun mechanism would be unable to extract the rounds. Later belt designs used permanently connected metal links to hold the cartridges, and weapons which originally used textile belts such as the Vickers Gun were then deployed with these more dependable formats. These belts were more tolerant to exposure to solvents and oil. Despite it being a more efficient system, few are still used, possibly due to the added cost and effort. Non-disintegrating belts often come in pieces of limited length connected by disintegrating link, and after being fed through the weapon the piece falls off, limiting the length of the used belt hanging from the weapon to no more than one such piece. Many weapons designed to use non-disintegrating or canvas belts are provided with machines to automatically reload these belts with loose rounds or rounds held in stripper clips. In use during World War I, reloaders allowed ammunition belts to be recycled quickly to allow practically continuous fire.

Feed variants

Pull out - Push through

Found on mostly early machine guns.

The pull out - push through cartridge feed system has the cartridge withdrawn from the belt to the rear, then pushed directly forward into the barrel.

Examples are the Darne mle 1922, Browning 1919, Browning M2HB, Maxim and Vickers. Among the modern machine guns using this system are the PK family, where its use is mandated by the rim of the 7.62×54mmR cartridge, which makes it all but impossible to eject the round forward from the belt.

Push through

Found on mostly modern machine guns.

The push through cartridge feed system has the cartridge pushed directly forward into the barrel.


Some weapons such as the M134 Minigun and related designs use a hybrid mechanism to strip rounds from disintegrating belts into a linkless feed system or a specialized delinker to allow for more reliable feeding at extreme rates of fire. Modern infantry machine guns often have feed systems allowing the use of linked ammunition as well as other forms of feed like from magazines or drums. In some instances—like the FN MINIMI/M249 SAW and the IMI Negev—the feed system requires no modification to fire with either mechanism. Other designs—like the Heckler and Koch HK21-based designs or MG34—require the exchange of modular parts to allow belt or alternate feeding. Due to the lack of protection provided by the belt, belt-fed infantry weapons typically use a flexible or rigid container to retain the belt on the weapon. In some designs—like the MG3—the belt container appears to be a magazine causing some confusion to people unfamiliar with the design.

See also

  • Bandolier

  • Clip

  • Magazine

  • Stripper clip


Citation Linkwww.smallarmsreview.comhttp://www.smallarmsreview.com/display.article.cfm?idarticles=1242
Sep 19, 2019, 8:28 PM
Citation Linkbooks.google.com"Ordnance". 1943.
Sep 19, 2019, 8:28 PM
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Sep 19, 2019, 8:28 PM