You’ve all seen TV shows and movies where assassins use silencers, the devices that screw onto the end of a gun and render the gun noiseless. Noiseless? Yeah, right. A better name would be “suppressor” because there is no such thing as completely silencing the sound of a gun firing. However, people tend to use the terms interchangeably.
A fired gun makes a combination of sounds: 1) the hammer or striker being released makes a clicking sound; 2) the muzzle blast; and 3) the ballistic crack we hear as the bullet is propelled out. All of those sounds seem to happen almost simultaneously, but it’s the latter two that are the loudest.