As already mentioned, it is highly unlikely that Air Arms will manufacture a left hand cocking action (they don't do it for the S510).
This is a Field Target air rifle, designed to work with large sidewheels.
A left handed stock is another matter altogether.
L/H Pro-Target MK111 Burris Timberline 4.5-14x32 Ballistic Plex
L/H TX200HC Burris Fulfield II 3-9x40
L/H TX200 GinB
Why is dyslexia so difficult to smell?.