Air Arms s200 s400 s410 s510 Power Adjuster

Adjusts the power of air Arms Rifles

Has a line indicator on the face for accurate power setting

Thumb adjusting head comes in two sizes, Big and Regular

Big Thumbscrew is 11mm dia

Regular is 8mm Dia

Please make sure the Big Thumbscrew will suit your model, will not suit S410 Regular will.

As well as decreasing power this will also increase power, check to make sure your power level is within local laws. Using a chronograph will dial your rifle in to the correct & legal power level.

Choose from Brass or Gun Black colours

Making a great gun even better!