OEM front flip-up sight that is included with KRISS firearms. The sight is extremely low profile, designed to tuck completely out of vision when folded, sitting a mere 12.7mm above the rail surface. The KRISS Low Profile Steel Front Sight features a very wide range of elevation adjustment, accommodating for a large spectrum of firearms with various height over bore and sight radius measurements.
Please torque the mounting screw to no more than 2 Nm (17.7 in-lb).