In the 1960s, a unique-looking 290 semi-automatic carbine came out. This is a rifle that fires .22LR ammunition. The gun handguard is similar to a Thompson submachine gun. The 290-round super-large capacity drum is placed flat on top of the receiver; the receiver It is processed from a whole steel column, and many other parts are polished by hand. The production is time-consuming and labor-intensive. Of course, the price is not cheap, about 1,200 US dollars each. This is doomed that this carbine will not be successful, and only a total of 87 were purchased, and some were given as state guest gifts to some dignitaries visiting the United States.
The appearance of the A 180 submachine gun is similar to that of the 290. It uses a free bolt and is open to fire. The prototype gun uses a drum with a capacity of 180 rounds to feed ammunition. This is also the origin of its name 180. The bullets are arranged in several layers, and Lewis The machine gun's ammunition supply is similar; empty cartridge cases are ejected from under the receiver after firing.
The initial capacity of the steel drum in mass production was actually 177 rounds. It used 3 layers of ammunition. Later, 165, 220, and 275-round drums were added. The 275-round drum can support the submachine gun for 11 seconds. To fire continuously, you must know that the rate of fire of the A 180 can reach 1,200 rounds per minute. Using .22WMR ammunition (Winchester Magnum rimfire ammunition), the rate of fire can reach 1,500 rounds per minute, which is equivalent to one second. Firing over 20 rounds of ammunition in one short burst is tantamount to shotgun blast. Later production drums used translucent materials, allowing the shooter to visually check the amount of remaining bullets.
The A 180 submachine gun weighs 2.6 kilograms empty and 4.5 kilograms with 177 rounds of early-type drums installed. The total length is 900 mm, of which the barrel is 470 mm long. There is also a 229 mm short barrel with an effective range of about 100 meters; the submachine gun itself has Mechanical sights, and optionally an additional laser sight.
In actual tests, although a single shot of .22 ammunition is not very powerful, due to the super high rate of fire of the A 180, the gun is actually very destructive at close range. For example, when shooting at ordinary brick walls, Dozens of warheads can hit the wall in a short burst, opening a hole in an instant like a hammer drill. Some people say that it is simply a "full choke shotgun". Of course, this kind of shooting should also be recognized. is in a still state.
As a "monster" in the submachine gun world, the A 180 submachine gun itself is already very distinctive, but several of its variants are more exaggerated than the original.
The 180 SC is a briefcase submachine gun. From the outside, it is just a high-end briefcase. Inside it is an A 180 submachine gun with a short barrel and a laser designator. The butt and other structures have been cancelled. The combination lock of the briefcase is actually the safety switch of the submachine gun. It can be unlocked by entering the correct password. There are two push-button switches on the inside of the handle. One is the laser pointer switch and is also the second shooting safety. The other is the shooting button. ; The shooter can hold the briefcase and complete the above actions in sequence, and then shoot at the target. This briefcase seems to be specially prepared for the secret service. It has the characteristics of concealment and strong close combat firepower, but the .22 bullet is more likely to be used for suppression.
A double-mounted gun mount is used to increase firepower. The design company believes that since the power of the gun cannot be improved, it should increase the ammunition output capability. This kind of gun stand can install two submachine guns together. The total weight of the empty gun is about 6.4 kilograms. The shooter can hold the gun stand and shoot, or install it on a bipod to shoot.
Perhaps thinking that the firepower of the double-mounted gun mount is not strong enough, the company has designed a quadruple-mounted gun mount called Quad 22s. It adopts an electronically controlled structure and can fire a single gun or four guns at the same time. The maximum fire rate is The speed is about 6,000 rounds per minute, and it needs to be mounted on a tripod to shoot.
As for those promoted to other countries, the salesman pointed out that it can be installed on an explosion-proof vehicle and was once installed on a light "Falcon" aircraft for demonstration to suppress targets from the air. This combination did not impress anyone, because the rate of fire of several thousand rounds per minute was simply massacre. If it has come to this point, what is the difference between using a submachine gun or a military rifle? Installing it on an aircraft will indeed be a deterrent, but the range of the submachine gun is too close, and the aircraft itself is also very fragile. For example, in areas where AK 47 is rampant in Africa, you might be shot down first.
In 1986, the new automatic weapons ban in the United States restricted the production of the A180 submachine gun, which could only accept official orders. After that, it could only produce some parts and components for the private market. Yugoslavia once copied the gun and called it MGV-176.
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