How to polish the trigger sears in a BSA/Gamo PCP XTX

This is a video guide to show you some ideas for polishing the trigger sears in a BSA Ultra, Scorpion, R-10, Hornet, SE models and the Gamo Dynamax. This makes the trigger feel smoother, more predictable and makes for a cleaner break.
Please do not attempt to carry out this work unless you are competent, if in doubt seek the advice of a professional. I will not be held responsible for any damage to you or your rifle.
Make sure you chrono your rifle after carrying out any work on the action, the power will change.