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  1. B

    fx Impact mk1 valvestop has no effect anymore, hammerseat sits at 4.3mm?

    Hi, I have a fx impact mk1 700mm in .22 sniper and I used to use the A20 Valve adjuster knob to finetune the optimal speed. Recently this has no effect anymore. At 1 or full open 4 bars, it's all the same. I tested with reg pressure at 90 -> 140bar. Hammer spring tension is 18.7mm, changed it...
  2. B

    Shooting at an angle and calculating the trajectory, energy and distance

    Hi, I'm looking for an app or calculation that gives me the trajectory of a shot placed at an angle. I've found lots of sites where I can calculate the distance and drop in inches of a shot but they are all for horizontal shots. I would like to take shots at pests in our trees but I have no...