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The M82 is a recoil operated, short barrel stroke, semi-automatic firearm. When the gun is fired, the barrel initially recoils for a short distance (about an inch - 25 mm) being securely locked by the rotating bolt. After the short travel a post on the bolt, engaged in the curved cam track in the receiver, turns the bolt to unlock it from the barrel. As soon as the bolt unlocks, the accelerator arm strikes it back, transferring some part of the recoil energy of the barrel to the bolt to achieve the reliable cycling. Then barrel is stopped and the bolt continues back, to extract and eject a spent case. On its return stroke, the bolt strips the fresh cartridge from the box magazine and feeds it into the chamber and finally locks itself to the barrel. The striker is also cocked on the return stroke of the bolt. The gun is fed from the large detachable box magazines, that hold 10 rounds.

Barrett M82
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Barrett m82 sniper rifle-1-
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Caliber

.50 BMG

Action

Semi-Automatic, Recoil-operated, Roatating bolt

Magazine Size

10

Barrel length

20/29 inches

Length

57 inches (145 cm)/48 inches (122 cm) depending on the barrel length

Weight

30.9 lbs (14.0 kg)/29.7 lbs (13.5 kg) depending on barrel length

ConstructionEdit

The receiver is made from two parts (upper and lower), stamped from sheet steel and connected by cross-pins. The heavy barrel is fluted to improve heat dissipation and save weight, and fitted with a large and effective reactive muzzle brake. On the earlier models, the muzzle brakes were of round cross-section, latter M82 rifles are equipped with two chamber brakes of rectangular cross-section. M82A1 rifles are fitted with scope mount and a folding backup iron sights. M82 rifles are often equipped with Leupold M series 10X telescope sights. The M82A1M (USMC M82A3) rifles have long Picatinny accessory rail mounted on the top of the receiver, that can accept a wide variety of scopes, day or night. Every M82 rifle is equipped with a folding carrying handle and with a folding bipod (both are detachable on M82A3). The M82A3 is also fitted with the detachable rear monopod under the butt. The buttpad is fitted with a soft recoil pad to further decrease the felt recoil. M82A1 and M82A3 rifles can be mounted on the M3 or M122 infantry tripods (originally intended for machine guns) or on vehicles using special Barrett soft-mount. The M82A1 can be fitted with carry sling but according to those who carried it in the field, the M82 is way too uncomfortable to be carried on sling due to excessive length and heavy weight. It is usually carried in special carry soft or hard case.

History on Barrett FirearmsEdit

The Barrett Firearms company was founded by the Ronnie Barrett for a single purpose of building semi-automatic rifles chambered for powerful .50 BMG ammunition, originally developed for and used in Browning M2HB heavy machine guns. Barrett began his work in early 1980s and his first working rifles were available in 1982, hence the designation M82. Barrett continued to develop his rifle through 1980s, and developed improved M82A1 rifle by 1986. The first real success was the purchase of about 100 M82A1 rifles by the Sweden Army in 1989. Major success followed in 1990 - 1991, when US Military purchased numbers of the M82A1 during the operations Desert Shield and Desert Storm in Kuwait and Iraq. About 125 rifles were initially bought by US Marine Corps, orders from US Army and Air Force followed soon. The M82A1 is known for US Military as the SASR - "Special Applications Scoped Rifle", and it was and still is used as an anti-materiel weapon and EOD (explosive ordnance disposal) tool. The long effective range along with high energy and availability of highly effective ammunition such as API and Raufoss M213 allows for effective operations against targets like radar cabins, trucks, parked aircrafts and so on. M82 also can be used to defeat enemy snipers or criminals from standoff range or when targets are behind the cover, but the anti-personnel work is not a major application for Barrett M82 (or any other .50BMG rifle, for that matter).

Further development led to the M82A2 bull-pup rifle (1987), which was designed to be fired from the shoulder, but did not succeed, and was soon dropped from production. The M82A2 was obviously designed as a cheap anti-helicopter weapon, suitable for use against highly mobile targets when fired from the shoulder. The latest derivative of the M82 family is the M82A1M rifle, adopted by USMC as the M82A3 SASR and bought in significant numbers. This rifle differs from M82A1 in that it have a full length Picatinny rail that allows a huge variety of scopes and sighting devices to be mounted on the rifle. Other changes are addition of the rear monopod, slightly lightened mechanism and detachable bipod and muzzle brake. The Barrett M82 rifles were bought by various military and police countries from at least 30 countries, such as Belgium, Denmark, Finland, France, Greece, Italy, Mexico, Portugal, Saudi Arabia, Spain, Sweden, Turkey, UK, USA and others. The M82 also is widely used for civilian .50 caliber long range shooting competitions, being fired accurately out to 1000 yards (911 meters) and even further.

The M82A2 differed from M82A1 mostly in that the pistol grip along with trigger had been placed ahead of the magazine, and the buttpad has been placed below the receiver, just after the magazine. Additional forward grip was added below the receiver, and the scope mount has been moved forward too. The military designation for the M82A1 is the M107.


Trivia Edit

  • This weapon has become extremely popular in media and is shown in video games like Call of Duty as being easily carried around like a conventional sniper rifle, this is near impossible in real life due to the fact that the rifle without magazine and scope and the bipod is 30 pounds, adding the rest of the equipment brings this to an unwieldy weight. The 50 inch lenght also makes it impossible to carry around houses effectively.
  • Although in popular media it is shown as being used directly against people, the M82 is an anti-material rifle meaning that it can damage or destroy light vehicles, trucks, helicopters, and equipment. Although it can be used against people, the Red Cross Organization strictly prohibits direct use against personnel.
  • The Swedish Army was the first army to order M82's, not the U.S.
  • This weapon is often quoted by novice weapon enthusiasts as being the most powerful man-portable rifle, hower the Soviet PTRS-41 and PTRD-41 produced approximately twice the muzzle energy, firing a heavier larger bullet at higher velocity.
  • Television show Mythbusters used this rifle in a number of firearm related myths, e.g. dispelling the myth that a .50 BMG bullet passing close by can cause any injury.

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