Originally Posted by paula
Your S410 should be capable of sending 3 shots through the same hole at 20 yards.
A very common fault with the S400 range, is You might have knocked the barrel at some stage and forced it out of alignment, there are two little grub screws on the Figure of 8 (barrel Band) try loosening these let the barrel settle and nip them back up.
That's what happened to mine. The barrel would then move as the charge dropped in the cylinder. Five minutes to fix - if you know and I didn't