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M27 Link
The M27 link, formally Link, Cartridge, Metallic Belt, 5.56mm, M27 is a metallic disintegrating link issued by the United States armed forces and among NATO and designed for use in belt-fed firearms. It holds 5.56×45mm NATO ammunition. History The first scaled-down version of the mid-20th century M13 link was developed in the early 1960s for the Stoner 63 belt-fed light machine gun/squad automatic weapon and designated as the "S-63 BRW" link. In the early 1970s this scaling-down concept was further developed. The resulting modified link had a slightly different angle of pitch and was adapted as the M27 link for use with the FN Minimi/M249 SAW. The M27 link is used on the FN Minimi/M249, HK23, MG4, CETME Ameli, K3, Mini-SS and Negev, among others. Design details Each M27 link consists of a single piece of metal curved into two partial cylinders, into which adjacent rounds slide. Like the M13 link, the M27 link is a push-through design. Rounds are extracted by pushing forward ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ammunition Belt 5
Ammunition (informally ammo) is the material fired, scattered, dropped, or detonated from any weapon or weapon system. Ammunition is both expendable weapons (e.g., bombs, missiles, grenades, land mines) and the component parts of other weapons that create the effect on a target (e.g., bullets and warheads). The purpose of ammunition is to project a force against a selected target to have an effect (usually, but not always, lethal). An example of ammunition is the firearm cartridge, which includes all components required to deliver the weapon effect in a single package. Until the 20th century, black powder was the most common propellant used but has now been replaced in nearly all cases by modern compounds. Ammunition comes in a great range of sizes and types and is often designed to work only in specific weapons systems. However, there are internationally recognized standards for certain ammunition types (e.g., 5.56×45mm NATO) that enable their use across different weapo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HK21
The HK21 is a German 7.62 mm general-purpose machine gun, developed in 1961 by small arms manufacturer Heckler & Koch and based on the G3 battle rifle. The weapon is in use with the armed forces of several Asian, African and Latin American countries. It was also license-manufactured by Fábrica de Braço de Prata in Portugal as the m/968 and in Mexico by SEDENA as the MG21. In the German military (''Bundeswehr'') and the federal police ( ''Bundespolizei'') it is designated "G8". Design details Operating mechanism The HK21 is a selective fire roller-delayed blowback-operated firearm with a semi-rigid locking mechanism designed to retard the rearward movement of the bolt. This delay was achieved by artificially increasing the inertia of the bolt by using an angular, interposed transmission system, installed symmetrically to the bore axis, with two cylindrical rollers acting as transmission elements against a movable locking piece which drives the heavy bolt carrier. The tw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Firearm Components
A firearm is any type of gun designed to be readily carried and used by an individual. The term is legally defined further in different countries (see Legal definitions). The first firearms originated in 10th-century China, when bamboo tubes containing gunpowder and pellet projectiles were mounted on spears to make the portable fire lance, operable by a single person, which was later used effectively as a shock weapon in the Siege of De'an in 1132. In the 13th century, fire lance barrels were replaced with metal tubes and transformed into the metal-barreled hand cannon. The technology gradually spread throughout Eurasia during the 14th century. Older firearms typically used black powder as a propellant, but modern firearms use smokeless powder or other propellants. Most modern firearms (with the notable exception of smoothbore shotguns) have rifled barrels to impart spin to the projectile for improved flight stability. Modern firearms can be described by their caliber (i.e. b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M1 Link
The M1 link, was the U.S. military designation for a steel disintegrating link designed for the M1917 Browning machine gun and M1919 Browning machine gun, and the .30-06 Springfield cartridge that they fired. A single round would hold two links together, and more could be added to make up a belt of any quantity of rounds, though for the mounted machine guns of the time, a belt of 250 rounds was most commonly used. As was the trend with American belt-fed firearms, as opposed to Soviet designs, belts of ammunition feed into the gun from the left side to the right. The left side of a single link had a circular loop which would hold the main body of the cartridge case, and an extension on the right that formed two similar loops which was designed to fit in between the two right-side loops of the next link. The rear loop of the right side of the link would hold onto the cartridge case just below the shoulder, as would the left side loop, where the front loop of the left side of the li ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phosphate Conversion Coating
Phosphate conversion coating is a chemical treatment applied to steel parts that creates a thin adhering layer of iron, zinc, or manganese phosphates, to achieve corrosion resistance, lubrication, or as a foundation for subsequent coatings or painting. It is one of the most common types of conversion coating. The process is also called phosphate coating, phosphatization, phosphatizing, or phosphating. It is also known by the trade name Parkerizing, especially when applied to firearms and other military equipment. A phosphate coating is usually obtained by applying to the steel part a dilute solution of phosphoric acid, possibly with soluble iron, zinc, and/or manganese salts. The solution may be applied by sponging, spraying, or immersion. Phosphate conversion coatings can also be used on aluminium, zinc, cadmium, silver and tin. Types The main types of phosphate coatings are manganese, iron, and zinc. * Manganese phosphate coatings are used both for corrosion resistance a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IWI Negev
The IWI Negev (also known as the Negev NG-5) is a 5.56×45mm NATO light machine gun developed by Israel Weapon Industries (IWI), formerly Israel Military Industries Ltd. (IMI). In 2012, IWI introduced the Negev NG-7 7.62×51mm NATO general-purpose machine gun and is used by the Israel Defense Forces (mainly in the infantry, combat engineer and special forces units). The NG stands for Next Generation. Design details The Negev is a gas-operated selective fire light machine gun that uses propellant gases from the barrel to cycle a short-stroke gas piston operating system under the barrel and a rotary bolt locking mechanism. The bolt itself features 4 radial locking lugs that engage the barrel extension and its rotation is controlled by a pin on the bolt body, which rides inside a camming guide machined into the bolt carrier. The bolt contains a spring-powered casing extractor unit, while a lever ejector is housed inside the receiver (it is rotated by the recoiling bolt carri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vektor SS-77
The Vektor SS-77 is a general-purpose machine gun designed and manufactured by Denel Land Systems—formerly Lyttleton Engineering Works (LIW)—of South Africa. History In the late 1970s, South Africa was involved in an international controversy over apartheid and the South African Border War in Angola. As a result, it was subject to an international arms embargo and had to, out of necessity, design and manufacture its own weapons.Security Arms Vektor SS-77 & Mini-SS. Retrieved on 14 May 2008. The SS-77 was developed to replace the . It was designed in 1977 by Richard Joseph Smith and Lazlo Soregi. The "SS" in its name stands for Smith and Soregi, and "77" for 1977, the year it w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Daewoo Precision Industries K3
The Daewoo Precision Industries K3 is a South Korean light machine-gun. It is the third indigenous firearm developed in South Korea by the Agency for Defense Development, following the Daewoo Precision Industries K1 submachine gun and Daewoo Precision Industries K2 assault rifle. It is manufactured by Daewoo Precision Industries, current S&T Motiv. The K3 is capable of firing both 5.56×45mm NATO and Remington rounds like the K2 assault rifle. The K3 light machine gun entered service in 1989, replacing the M60 machine gun in frontline use. Development The K3 is a light machine gun resembling the FN Minimi and uses a standard 5.56×45mm NATO cartridge. Its greatest advantage is that it is lighter than the M60 and can interchange cartridges with both the K1A and K2. The feed can come from either a 30-round box magazine or a 200-round disintegrating M27 ammunition belt. It can be used with a bipod for the Squad Automatic role, and fitted with a tripod for sustained fire ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CETME Ameli
The Ameli (abbreviated from the Spanish ''Ametralladora ligera'' or "light machine gun") is a 5.56mm light machine gun designed for the Spanish Army (''Ejército de Tierra'') by the nationally owned and operated ''Centro de Estudios Técnicos de Materiales Especiales'' (CETME) small arms research institute (founded by the Spanish government in 1950). Development of the weapon began in 1974 under the supervision of Colonel José María Jiménez Alfaro (who would later become the director of CETME).Woźniak, Ryszard: ''Encyklopedia najnowszej broni palnej—tom 1 A-F'', page 140. Bellona, 2001. The Ameli was officially unveiled in 1981 and after undergoing exhaustive military trials was adopted into service in 1982 as the standard squad-level support weapon of the Spanish Army under the designation MG 82.Crawford, Steve: ''Twenty-first Century Small Arms: The World's Great Infantry Weapons'', page 76. Zenith Press, September 2003. The Ameli was manufactured at the Empresa Nacional ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heckler & Koch MG4
The Heckler & Koch MG4 (also known as the HK123) is a belt-fed 5.56 mm light machine gun designed and developed by German firearm manufacturer Heckler & Koch. It was developed in the late 1990s and first seen publicly in September 2001. It has been selected to replace the 7.62 mm MG3 general-purpose machine gun in the ''Bundeswehr'' at the squad support level; it will complement the MG3 in other roles. It will also be the secondary armament of the new Puma infantry fighting vehicle. Overall, it is designed to be light, provide maximum safety to the user and function reliably under adverse conditions using a wide range of ammunition from different manufacturers, without the need to adjust the gas system. It was known as the MG43 prior to its adoption by the Bundeswehr. Design details The MG4 is an air-cooled, belt-fed gas-operated light machine gun with a positively locked rotary bolt and is somewhat similar in concept to the Belgian Minimi light machine gun. Safety mechanis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M249 Light Machine Gun
The M249 light machine gun (LMG), also known as the M249 Squad Automatic Weapon (SAW), which continues to be the manufacturer's designation, and formally written as Light Machine Gun, 5.56 mm, M249, is the American adaptation of the Belgian FN Minimi, a light machine gun manufactured by the Belgian company FN Herstal (FN). The M249 is manufactured in the United States by the subsidiary FN Manufacturing LLC, a company in Columbia, South Carolina, and is widely used in the U.S. Armed Forces. The weapon was introduced in 1984 after being judged most effective (compared to a number of candidate weapons) to address the lack of automatic firepower in small units. The M249 provides infantry squads with a high rate of machine gun fire, combined with the accuracy and portability of a rifle. The M249 is gas operated and air-cooled, it has a quick-change barrel (allowing the gunner to rapidly replace an overheated or jammed barrel), and a folding bipod attached to the front of the w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CATC Trains German Soldiers On US Weapons 151209-A-HE539-0429 , an enzyme
*CATC AB, A provider of ship automation systems
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CATC may refer to: * Chinese Association on Smoking Control *Civil Aviation Technology College * Civil Aviation Training Center, a UNDP-founded facility for training students in private and commercial piloting and regular air service, located in Iran, with bases in Thailand, Tehran, Ahwaz, Mashhad, Shiraz, Esfahan and Tabriz * Confédération Syndicale du Congo * Catapult C Synthesis *Carnitine O-acetyltransferase Carnitine O-acetyltransferase also called carnitine acetyltransferase (CRAT, or CAT) () is an enzyme that encoded by the CRAT gene that catalysis, catalyzes the chemical reaction :acetyl-CoA + carnitine \rightleftharpoons CoA + acetylcarnitine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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