The tuner is nice info but just for the record there is no way I would buy one...not that others shouldn't...it's wayyyyyy too expensive...and wayyyyy too heavy for my application...however just seeing that it exists is valuable to me so thanks for putting it up.
The toilet stopper is cheap and easy and if I am lucky it will dampen mine such that it makes a significant improvement it will be well worth it...
Barrel/ammo resonances are new to me...tuning/stabilzing/filtering resonances and both wanted and unwanted harmonics is something I have more experience with than anything I ever did...
In a laboratory/engineering environment step one would be to identify the frequency and amplitude of the fundamental resonance or in this case 'shock wave would actually be more appropriate term imo) and its harmonics...
Then it is simple matter of trial and error of materials and placement etc until the "problem" causing waves are changed/diminished/dampened/filtered/reduced/eliminated...whatever as long as the results are achieved...
The next step is the hard part...finding a suitable material size/weight/cost etc that will achieve the desired result in a marketable or usable fashion...
Obviously people have done that...they could tell me a ton I don't know...they are not going to...it's all proprietary...I know the drill...
I have done enough of that crap at the highest military/aerospace level to know that in a case like this...cheap/easy is the way to go...and unless someone who did controlled testing with one with my barrel and ammo could tell me in advance what results they got...it is just too easy to stick one on and find out for myself...
So I am...and yes...it will be a lucky thing if it works...however...it's ALWAYS a lucky thing when you stumble upon success in course of failing...also referred to as "trial and error"...
