I have a question regarding the hammer spring mod that I am reading so much about for my Cayden. Let me first say that I am apprehensive about opening up any PCP, simply because I don't know what I'm looking at. I'm pretty mechanically inclined, but not familiar with the construction/internals of these. It sounds like something I can only BENEFIT from, which leads me to my next question. What is the trade-off? If this is so beneficial, then why wouldn't Benjamin have just installed shorter springs from the get-go ? Why are these so oversprung? Any pointers/advice is appreciated. Sounds like I will first have to empty the tank, correct ?? I really need a PCP - 101 course !! HAHAHA. Thanks for your patience with newbies to PCP world.