Quote Originally Posted by Hsing-ee View Post
Is this true of springers as well as PCPs?
Definately. I've a couple of highly tuned TXs that shoot like shotguns for the first dozen or so shots after a good barrel clean (which I never normally do for partly this reason), and takes another 20 to get really good again. With some particularly highly polished bores (career) it is far less pronounced. Polishing with JB can also help.