So.. I just rebuilt one of my Scorpions. It was putting out under 400 fps. so I opened her up and cleaned, lubed and replaced the buffer and the o ring seal on the piston head, then dropped in a new spring..Man what a difference !.......It's now putting out 540 fps. Also added some nylon washers to eliminate metal to metal. Smooth and really powerful......I was pleasantly surprised. Go Scorpion.....Still looking for one in .22.Originally Posted by Markmelesky
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