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HW110 power adjustment (once at is removed by hw100tuning)
What you will need:
- Make sure the HW110 is unloaded and the magazine is removed
- Remove the Scope
- A small hammer
- A small parallel pin punch (2.5mm)
- 3mm Allen key
- 4mm Allen Key
What to do:
Remove the stock from the action - do this by using the 4mm Allen Key to remove the two securing bolts found under the stock found in Picture 1.
Once the stock is removed, it will look like Picture 2.
Next, use the parallel pin punch to knock out the steel dowel - keep the punch square and tap gently, it should come out quite easily.
Once you have the pin out, flip the action over so that the bottom (trigger section) is facing upwards. Using the 3mm Allen Key, remove the Allen bolt indicated by the red arrow in the picture.
Then simply slide off the trigger guard.
Next, use the 4mm Allen key to adjust the hammer spring tension. Do this in very small increments, 1/8 of a turn at a time, the adjuster bar inside the shuttle is VERY thin, if you turn the adjuster screw too hard you may snap the adjuster bar - anti clockwise to increase tension (power), clockwise to decrease tension (power).