The Sig Sauer flip up iron sights are quickly deployable, foldable and built to attach to Picatinny rails. Rear aperture sizes, Small: 1/16″ Large: 3/16th”.
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Magpul MAG1167-ODG MBUS 3 Sight Rear Olive Drab Green Flip Up for AR-10/AR-15/M4/M16/M110/SR-25
$56.95
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