Thanks to Danny Garvin for all the help and advise , I will give it a try and let you know how I get on!
Danny is also a first class chap to deal with , he sold me an Anschutz LG380 a couple of years ago [ which is a far better 10m gun than I am a 10m marksman! ] and followed the sale with , copies of the owners manual and advise on how to obtain spare parts thanks again Malc