PRI Original Flip Up Front Sight w/.750" Crossbolt Design fits barrels .750 dia. M4/AR15. Eliminates the shadow cast on optical sights mounted on the M16 Flattop receiver. Lightweight hard coated black anodized aluminum top post provides Low reflection.
The base is solid 4140 cast steel with provision for the gas tube an integral part of the unit. Front post is constructed of T6 6061 hard coated black anodized aluminum. Front post uses a thumb wheel to adjustment front sight elevation. Sight weights 4.9 ounces. The center line of barrel to line of sight is 2.57"
This item is a Gen II Retro Mark 12 Mod 0 product from Precision Reflex Inc.