Thanks for telling me how to change the spring. However, I hadn't thought of the sear wear issue until you mentioned it. I guess I'd better think about this before I try it.

Hi, I want to purchase a sporter air rifle with a trigger weight similar to a 22, approximately 1.2 kg. I like the looks of the s400 mpr but I've been told the max trigger weight from the factory is no more than 20 oz. Is it practical for me to install a new stronger spring to increase the trigger w...