need parts in the uk

hello to the 1077 community,im not new to the shooting world (12yrs)but i am new to the 1077 co2 world,im a big fan of the precharged airgun. anyway i have been reading some of your tunning comments and decided that it was time to try powering up my 1077, firing at a rat at 10m it just makes them squeak with a chest shoot.(we breed big rats down in devon)So i started to take the burrs off some of the moving parts with a polishing wheel problem was it snaped the trigger part, now i need to find some one who can sale me parts in the uk can you help.