KRISS AR-15 Polymer Low Profile Front Flip-Up Sight - This is the OEM front flip sight that is equipped with the KRISS Vector and DMK22 firearms. This 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 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. Finally, the large, textured, adjustment knob makes elevation changes with gloves simple and easy. Folded Length 2in Width At Base: 1.19in Width At Body: .96in Folded Height: .5in