K31 Type P/S Diopter:
Presenting the Flagship of the Swiss Products Line... The Type P/S (steel) Diopter. This Diopter is calibrated to range from 75 yards to 1,000 yards, is made of steel and is Eye Relief Adjustable. No rail changes are necessary. The Type P/S will accept both Anschutz and Gehmann Irises. Comes Complete with Iris and Tunnel Sight and ready to Compete.