Hey Phil- your test sounds like a Paul Harrell Meat - Orange- Clothing Target.
When my Buddy Carl discharged that Luger into the floor right near his and my feet, it was loud!
Between Guns, Airplanes and Rock and Roll, I’m amazed I can hear anything. High Freq is impaired.
Inside the house, I am prepared with regular 38 Specials in 38s and 357s.

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NRA LIFE MEMBER