Many of us learned the basics and had a blast customizing some form of Crosman leggo setup. I started with a custom shop 2400KT with 18" barrell. Swapped the tube, did a 3 screw mod for a disco valve with a sleeved p-rod poppet. Filled to 1900psi I get 20 shots @900 fps. You are right, it's all about the fun and learning experience.
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