Welcome to the GTA Forums Wade,
You have found, A Great Place to BE !
Like you, it would half to be one heck of a deal, for me to buy a used gun. And she would half to be a very pretty shooter too.
I don't own a Shadow, but I do have the GREAT GRT-III trigger in my 890 Hunter, what a GREAT trigger !
Pellets come in different head and skirtdiameters, causing some to fit tighter than others. your best bet is to find the ones that shoot best in your air rifle.
Now that your a one of us, a member, and airgun addict, I hope to see you hear often !
Bill