USA Supressor and Air rifles.
So the Gamo "Whisper" was left alone because the "can" is integral and not able to be easily modified to a firearm... *or some such wording...
So would a person be able to build a full featured threaded can if it is only bored for .177 pellets?
Or is the existence of the .17 rimfires gonna be a quick end to my research... The way I "farm" my squirrels for reptile food, they are hard to hunt.