At4 Rocket Cost - This article is about the Swedish anti-tank weapon. For the anti-tank missile operated by the Soviet Union/Russia, see AT-4 Spigot.

Is a Swedish 84 mm (3.31 in) unguided, portable, single-use, shoulder-fired recoilless anti-tank weapon manufactured by Saab Bofors Dynamics (formerly Bofors Anti Armor Systems and before that FFV Ordnance).

At4 Rocket Cost

At4 Rocket Cost

The AT4 is not considered a rocket launcher because the warheads are not propelled by a rocket engine. Likewise, it is not quite a recoilless rifle, but rather a recoilless rifle, since the launcher is smooth and the rifle is not.

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Saab has achieved significant sales success with the AT4, making it one of the most common light anti-tank weapons in the world.

The name AT4 is a pun on the gun's 84mm caliber, (84) "Eighty four" is a homophone of "A-T-4".

The name is also an alpha-phonetic word for the character of the weapon, as "AT" is a common military abbreviation for "Anti-Tank".

The name was created for export purposes, as the nickname "Forty" was already a common flashy nickname for the caliber of Carl Gustaf's 8.4 cm recoilless rifle.

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The purpose of the AT4 is to provide infantry units with the means to destroy or disable armored vehicles and fortifications, although it is particularly ineffective against modern main battle tanks (MBTs), particularly jet-armored tanks, unless the tank's weaknesses in armor are exploited. The launcher and projectile are packaged and issued as a unit of ammunition, the launcher is discarded after a single use.

(Miniman) introduced by the Swedish Army in the late 1960s. Like the m/68, the AT4 was designed by Förade Fabriksverk (FFV) and manufactured at their factory in Zakrisdal, Karlstad, Sweden.

FFV began researching a replacement for the m/68 in 1976, deliberately designing an individual anti-armor weapon that could not defeat the heavy armor protection of the MBTs (main battle tanks) in the forward turrets, believing it to be controversial. The AT4 was intended as an assault weapon against medium and light armor from any direction, against MBTs from the sides or rear, and against buildings and fortifications. The FFV design also aimed for a weapon that was easier to use, durable and more accurate against moving targets than previous single anti-armor weapons. Another important requirement was that the AT4 could not only petrify the armor, but also have a more destructive effect than the armor once petrified. FFV and the Swedish Army began the first evaluation firing of AT4 prototypes in the spring of 1981, with 100 being tested by early 1982.

At4 Rocket Cost

Before the AT4 was adopted in Sweden, it participated in a competition for a new US Army anti-tank weapon by Congress in 1982, where the FGR-17 Viper failed as a replacement for the M72 LAW. The US Army tested six weapons in 1983: the British LAW 80, the German Armbrist, the French APILAS, the Norwegian M72E4 (an upgraded M72 LAW), the US Viper (for baseline comparison purposes), and the Swedish AT4. The US Army reported to Congress in November 1983 that the FFV AT4 had nearly met all of the basic requirements established to replace the M72 LAW.

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Although the test version of the AT4 impressed with its simplicity and durability, the US military still saw room for improvement, particularly in the addition of rear and front bumpers to the launch tube and changes to the sights and slings. After these modifications, the AT4 was adopted by the US Army as the M136 light multipurpose weapon.

The Swedish Army also recognized these improvements and subsequently adopted an American version of the AT4 called the Pansarskott m/86 (Pskott m/86), adding a forward-folding handle to stabilize the AT4. The forward folding handle is the only difference between the AT4 adopted in Sweden and the US Army version.

Due to the civilian combat conditions that US military forces regularly encountered during the Iraq War, the US Army Close Combat Systems Manager responsible for AT4 procurement suspended orders for the standard version of the AT4, and the US military now only orders AT4s. CS (Limited Space) version.

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The AT4 can be considered a disposable and cheap alternative to Carl Gustaf's 8.4cm recoilless rifle. The AT4 takes many of its design features from the Carl Gustaf, operating on the principle of a recoil weapon, where the forward inertia of the projectile is balanced by the inertia of the propellant gases exiting the rear of the barrel. But unlike Carl Gustaf, who uses a heavier and more explosive steel barrel with his rifle,

The single-use design of the AT4 significantly reduces manufacturing costs by using a strong, smooth fiberglass outer tube. A single-use weapon also allows for lighter and cheaper construction. A single-use disposable weapon must have only one pressure spike in the barrel that can be thrown away if damaged, burned, and stretched, unlike weapons that require Avoids many pressure spikes without fail, and therefore must be of more rigid design and made of heat-resistant materials. The pressure is also kept quite low compared to many conventional guns. This light and thin barrel and low pressure, combined with the almost complete absence of recoil, allowed the use of relatively large projectiles (for example, mortars and artillery systems), which would otherwise be impossible with manned weapons.

In the system, originally developed by FFV for the Carl Gustaf, a plastic blowout cap is placed on the housing behind the shell containing the projectile and propellant, which itself is sealed in the outer tube of the AT4. When the gases build up to the correct pressure level, the blowout cap ruptures, allowing the appropriate amount of gases to be directed to the rear, balancing the propellant gases to propel the projectile forward.

At4 Rocket Cost

The AT4 uses a unique method developed by FFV and adopted for the AT4: the spring-loaded firing pin sits under the outer tube, with the firing pin at the rear of the tube. When released, the pin hits the primer located on the edge of the housing.

Anti Tank Set

The disadvantage of the recoilless design is that it creates a large explosive area behind the weapon, which can cause severe burn and high-pressure injuries to personnel surrounding the user and sometimes to the user himself. Also in extremely tight spaces. Backblast can also reveal the user's position to Amy. The recoil problem was solved with the AT4-CS (Confined Space) version designed specifically for urban warfare. This version uses a saltwater counterweight at the back of the launcher to absorb recoil. The resulting spray impinges and dramatically reduces the pressure wave, allowing soldiers to fire from confined areas. The AT4-CS version also has the muzzle velocity reduced from the original 290 m/s to 220 m/s as part of an effort to be safer for the user in tight spaces, making the AT4-CS version more difficult. use as drops. is more obvious. The efficiency of the hot warhead does not depend on speed.

To fire, the shooter first removes the safety pin at the rear of the barrel, which opens the firing pin. He takes a firing position, making sure no one is in the rear blast area. When shooting from a prone position, he should also keep his legs well apart to avoid burns. The shooter retracts the front and rear sight covers, allowing the sights to pop into their firing positions. The AT4 has iron sights originally developed for the canceled Viper and is similar in concept and use to assault weapons.

He disengages the first of the two safeties by moving the firing rod pivot lever (located on the left) forward and to the right. The gunner takes aim while depressing the red safety lever in front of the cocking lever and fires by depressing the red firing button with the right thumb. To fire the AT4, both the red safety lever and the fire button must be pressed at the same time. The red firing button has the same resistance as the rifle's trigger, so the shooter does not have to hit the firing button, which can throw off his aim.

After firing, the AT4 is discarded. Unlike the heavier Carl Gustaf, the outer tube of the AT4 is designed to accept only one firing pressure. It is not reusable and cannot be reloaded.

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The AT4 can be mounted on a removable optical night vision mount. A launch vehicle may be in US military use

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