Recent content by cobri

  1. C

    JSB 34 GRAINS & ROYALE 500: BEST VELOCITY

    Hello guys! I had set my Royale 500 to shot Mk2 at 805fps and i can get just 35 shots before speed goes down. Isn't that too low shot count for that speed? Had to set regulator to about 150bar and get that peek speed with 6 turn on hammer spring. It lose 20bar per magazine