*The discussion of the creation, fabrication, or modification of airgun moderators is prohibited. The discussion of any "adapters" used to convert an airgun moderator to a firearm silencer will result in immediate termination of the account.*
I have made some home brews that are quieter than a comparably sized donny. The common denominator is plastic construction. Try a yokozuna or Ryu tho. It's a whole new ballgame. These things are efficient and built like real suppressor baffles.