Gehmann 18mm Front Iris 2.9-4.9 w/ Bars
Gehmann 18mm Front Iris 2.9-4.9 w/ Bars, Gehmann 18mm Front Iris 2 9-4 9 w/ Bars This front iris fits the 18mm front sight and adjusts from 2 9 to 4 9 with just an easy turn Adjustment helps when there are light changes, sight radius changes between positions, or aperture preference changes The horizontal level bars in the front sight are great for keeping a consistent tilt on the rifle