Designed to be backward compatible with the older Gen-2 Dog Leg Rail system the Gen-2.5 HandGuard offers greater levels of functionality, modularity, and durability. Theco-planar top rail keeps all accessories such as optics, night vision, orthermal devices properly aligned. For additional functionality the Gen-2.5 handguard is also M-LOK compatible. The semi-floated hand guard design minimizesbarrel disturbance while the ample ventilation holes assure the quickestcooling and minimize weight. Critical AK functionality is retained by allowingthe installation of the cleaning rod and bayonet.