Best name ever for a suppressed weapon:
The S&W Model 59 “Hush Puppy”, used to kill enemy sentry dogs.
We heard that Tunnel Rats carried .22 pistols firing subsonic rounds. This article describes a cartridge that seems to utilize the `captive bolt’ principle.
A fellow ‘Nam vet I hunt deer with was a tunnel rat at Cu Chi. He has severe PTSD. He told me he used a .38 S&W Special Mod 10, and only volunteered to be a rat to help save his brothers.