Thanks a lot for thinking of me. I’d have to weigh the risks / rewards of this solution very seriously before trying here: Suppressors are illegal in RI and MA, which I presume to be a legacy of significant past mob activity in these states. As you know, a suppressor is essential kit for any gangland assassin. I’m no mafioso, but even so possession could mean a year in jail.
Meanwhile, I’ve been using a .177 pellet gun with the heaviest pellet I could find to keep it subsonic. The sound of this heavy pellet seems roughly similar to the suppressed shots in the video. A lighter supersonic pellet emits a much louder “crack.”
The gun seems capable of a 60-yard (or more) shot but so far my longest have been 35-40 yards. But at that distance, I’ve dispatched woodchucks, rabbits and squirrels. Also a crow stealing tomatoes. Nocturnal feeders such as raccoons have to be trapped.