No difference. CTG is the abbreviation for cartridge. A revolver marked 38 Special CTG, or .38 S&W Special CTG is simply indicating that it is chambered for a .38 Special cartridge. This IS different from .38 S&W, and older, shorter, fatter, less powerful cartridge.
CTG stands for Cartridge
Cartridge
What are you asking?
ctg = cartridge
1977.
100-650 USD
1982
Your Colt Trooper .38 special CTG # 68404 was produced around 1968. made 1968. value depends on condition
38 special is a full length 38 cartridge whereas a 38 S&W cartridge is also a 38 caliber but it has a shorter case.
1952
Made in 1979.