Quick view Hera Hera Irs, Hera 11.05.06 Ar15 M4 Keymod Handguard 12 $149.00 The hera arms irs is a modern designed, quad-rail handguard made from high-quality aluminum and is build to handle the hardest use and abuse of tactical and competitive shooting.It comes with his own barrel nut and is clamp mounted with three (3) screws... Compare Add to Cart