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  1. K

    Hatsan Bullboss - Trigger adjustment, Hammer spring adjustment

    You're absolutely right. U know I think I'm wrong. Now it's moving smoothly. But it's happened when it was very hot over 40 Celsius = 104 Fahrenheit , I was tired and hungry 😂😂😂. So maybe the heat or I screwed the wrong place. Thank u for your advice 🤝
  2. K

    Hatsan Bullboss - Trigger adjustment, Hammer spring adjustment

    I found out that removing the air cylinder makes it very easy to increase or decrease the power. I mean to screw the hammer spring using allen key 4mm 
  3. K

    Hatsan Bullboss - Trigger adjustment, Hammer spring adjustment

    bullboss .22 I have a hard moving hammer I can't move it. and when I move it by using force it moves hardly and start leaking air while screws the hammer. Is there any help. thanks