9mm form 1 suppressor using clipped and formed freeze plugs.
147g handloads where used going 950fps average during prior testing.
Unsuppressed testing shows an average of 157.0db upon various trials. Suppressed in this video the form 1 put out 125.5db average. Most of the time it will meter around 127.xx so this day was slightly quieter.
Suppressor was run completely dry and tested on a Stribog A3.
UPDATE 6/2023 -
When taken apart and reassembled not having the clips perfectly set as before has killed the low average. Sound increased by 2db on a few tests using same ammo. Clip arrangement and alignment is crucial for maximum sound reduction!
Негізгі бет Freeze Plug Suppressor On The Sound Meter
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