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How to Adjust a Sako AII Trigger

Updated April 17, 2017

Sako is a Finland-based company that makes a line of hunting and sporting rifles. The recreational hunting supply business produces a line of steel and wood rifles for shooting anything from practice targets to wild game. Each gun has simple alterations that can be made to customise the gun to your shooting style. One adjustment that can be made is on the trigger pressure. This is a simple task to complete.

Choose the pressure at which you would like to set the gun. It can be set anywhere between 0.907 to 1.81kg., which is equivalent to 10 to 20 newtons of pressure.

Add more pressure. Insert the Allen key into the Allen nut on the side of the trigger. Turn the Allen nut clockwise to increase the amount of pressure needed to press the trigger.

Remove some pressure. Insert the Allen key into the Allen nut on the side of the trigger. Turn the Allen nut counterclockwise to reduce the pressure needed to press the trigger.

Warning

Attempting to reduce the pressure below 10 newtons will result in a trigger sensitivity that is unsafe.

Things You'll Need

  • 2.5mm Allen key/wrench
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About the Author

Kim Sarah has been a writer since 2000. Her work has appeared on NECN, WCTR-TV3 and in the "Torch" university newspaper, among other publications. Sarah received a Bachelor of Arts in communications from Worcester State University and a Master of Arts in journalism from Roosevelt University. She is also studying nursing and computer science at Indiana State University.