Gehmann 18mm Front Iris 2.4-4.4
This front iris fits the 18mm front sight and adjusts from 2.4 to 4.4 with just an easy turn. Adjustment helps when there are light changes, sight radius changes between positions, or aperture preference changes.
This front iris fits the 18mm front sight and adjusts from 2.4 to 4.4 with just an easy turn. Adjustment helps when there are light changes, sight radius changes between positions, or aperture preference changes.
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