HI just wondering does anyone know where i can buy a replacement cylinder the part between the trigger housing and loading port /barrel. The diamentions are as follows 26.6 cm x 31.60 mm approx , The original cylinder before it came to me has at sometime been put in a vice , and has a split just before thread and not repairable, Don't know if exactly the model but the serial no is S38162 thankyou mike