章 307: Chapter 258 Reverse Selling

"Not bad."

Song Heping removed the magazine to check the rifle and touched the silencer, feeling that the temperature was not too high.

This meant that the craftsmanship and design of the silencer were without issues.

Actually, silencers are not high-tech products; they mainly differ in material and design.

It's not difficult to make one, but creating a top-tier silencer is difficult.

The noise from firearm discharge mainly comes from three sources.

First is the explosive crackle when a bullet exits the barrel and the gunpowder gases rapidly expand; second is the sonic boom from the bullet traveling at supersonic speeds; third is the mechanical clacking noise of an automatic weapon's action.

The explosive crackle is the loudest noise source, and it's primarily what silencers aim to suppress; the other two types of noise are difficult to eliminate.