Thanks all for the responses I will take a look over the weekend it's much appreciated and I will let you know how I get on.
Happy shooting.

Hi thanks I will look out for that I am using AA Diablo field (any good?) just need to know where to locate the grubscrew.

Hi there My name is can you guess yes Pete I am new to the air rifle scene, I have previously owned a HW80 springer in my teens but I have just purchased 2nd hand a S410 Pcp and love it. My only issue is the power at the present it is firing at 9.5ftps and I want to up it to just below 12ftps. I hav...