Never heard of "ctgf", but "ctg" means cartridge.
Cartridge
What does J1727 on the barrel of my 270 mean?
abbreviation for cartridge
I do not have the answer but i have the same 38 CTGF i have the same question
Cornell Publicaitons has a book on the company that may have sn data.
noun, a muzzle loading firearm
Old gun catalogs and magazines
It depends on what you mean. There is no specific name for a defective firearm other than to say it's defective.
Not used in describing a firearm, but a term used in hunting, to denote the game being hunted.
MIght mean confederat states of america, might not.
Low muzzle velocity
Do you mean a firearm or a paintball gun?