Interest project so that the design is applied first large chamber, which occupies more than half of the total.
As the chopper used monocore.
This project was produced and tested with supersonic ammunition.
Results showed no worse than suppressor
Compensator Sound level reduction (silencer, suppressor)
In the manufacture of cheaper than Compensator Sound level reduction.
When fired, the sound has a low tone.
Reduces sound pressure level up to 120 dB.