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  1. General Sniper Talk
    Hi. I finally succeeded in adding weight to my piston from 33g to 57g+18g spring. I wasn't able to check the trajectory since it's nighttime but what I did is adjust the hop setting up to a point where it decreases energy. The original hop setting for .45 is at 361 fps. When I increased piston...
  2. General Sniper Talk
    Hi. My volume ratio is optimized for a. 40 bb. My spring is m135 and I have a stock piston that has holes on it and weighs 34grams. What are your recommendations in terms of weight and how do I add it? Thank you!
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