Obviously the day of the amateur is past. You have to be certified, trained, licensed and possibly even badged. Or am I reading your post the wrong way? This is the sort of reasoning that ultimately suggests that firearms are much too difficult and dangerous to trust to anyone but professionals.
Shoot low, sheriff. They're riding Shetlands!
Underneath the starry flag, civilize 'em with a Krag,
and return us to our own beloved homes!
Buy War Bonds.