 The depth of the rear notch is adjustable with a screwdriver to lengthen or shorten the sight line length from 316 up to 365 mm.The pistol has two-stage, three-dimensionally adjustable trigger which can be adjusted for overtravel, first stage weight and travel, second stage weight and sear engagement.The trigger pull weight is factory-adjusted to 500 gram (17.6 oz) to comply with the ISSF 10 metre air pistol rules.