Gehmann 22mm Front Iris 2.9-4.9
Gehmann 22mm Front Iris 2.9-4.9, Gehmann 22mm Front Iris 2 9-4 9 This front iris fits the 22mm 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