Mk12 Mod0 Front Flip-up Sight from PRI

This is the more basic design for 0.75" gas journals, designed by PRI for the Mk12, M4, AR15 and M15

Precision Reflex Designed 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.  You can think of this as an "F" height front sight base that folds.

The cross-bolt design allows for windage adjustment at the base of the sight block, and does not require permanent pinning to the barrel by a gunsmith.  Note:  This model does NOT have the thumb screw adjustment for moving the sight pin up and down, the sight pin with a tool, like a fixed front sight base.

PRI Flip Up Front Sight with .750 Crossbolt.  PRI Flip Up Front Sight with .750 Crossbolt is constructed of solid 4140 cast steel base with provision for the gas tube an integral part of the unit.   The front post is constructed of T6 6061 hard coated black anodized aluminum.  the front post uses the standard A2 post for height adjustment 1/4 turn increments.  Sight weights 4.9 ounces. The centerline of barrel to line of sight is 2.57"

The cross bolts are #10-32 x 3/4" socket head cap screws.

Manufacturer's Part Number:  05-0025