Obviously guns are loud. VERY loud. In movies we often see people using suppressors to make their guns virtually silent but obviously this is a completely fictional trope. It is my understanding that even with a suppressor a gun that is fired is still extremely loud, so why use them at all? Is there any other practical purpose other than making a weapon a tiny tiny bit quieter?
In: Technology
As usual, the answer is more complicated. With the ar-15 shooting .223, the gun is still VERY loud. an AR shooting .300 blackout, its damn near silent. With most pistol caliber firearms, (handguns, MP5s, etc) it can be very very quiet. With 22 rimfire, it can be damn near silent.
Why do it in a military role?
They often help reduce the need for ear protection.
They reduce muzzle flash (giving away position, especially at night).
They make it harder to locate direction of shots. (important to not be shot)
Even loud firearms are quiet at long range.
With quieter firearms you can be pretty covert in tactical situations.
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