CTG stands for cartridge, according to the answer given in this forum: http://www.e-gunparts.com/forum/readit.asp?qt=56666&cat=14
Email smith and Wesson for the answer
Smith&Wesson model 14
And your Question would beee?
Check the butt.
Best to let a gunsmith do this.
ctg = cartridge
Standard Catalog of Smith and Wesson, 3rd, edition
Made in 1979.
yes remmington has them
Impossible to answer without a detailed description.
You will have to provide the serial number.