Thread: Suppressor effectiveness - Think about this!

With regards to the original post and what suppressors do and dont do.

The effects of suppressors on the environmental noise have been researched quite a lot here in Finland.

If a firearm and its noise is being observed from the front sector, a suppressor will have neglible effect as the major noise source is bullet flight noise ( c. 150 dB 1m from the bullet path on a .308 Win for example )

However, there is a greater effect to the side and rear of the shooter.

Take these levels for example from a test done by Dr. Rauno Pääkkönen back in 2003 ( a promiment expert in this field in Finland )

Noise suppression to a level of 65 dB

Calibre w/o a suppressor w/suppressor

.308 5000 m 300 m
.222 4000 m 200 m
.22 200 m 50 m


Best Regards!

Tuukka Jokinen
Ase Utra sound suppressors