I have got the chance to buy an Air Arms S400 off a work mate. It is in as new condition, perfect in every way, no marks on it at all. It has a silencer but no scope. I have borrowed it with a view to buying it. I have fitted it with a scope off another air rifle and have had a few shots and I'm impressed (having previously only used an HW80 which I have had from new). I can maybe get it for £75. The owner has a bottle to fill it but won't sell me that, but says he'll fill the gun for me whenever I want so that's no problem. My problem is - should I buy it ( I think £75 for an S400 in the co