I was browsing the new rule book This Morning And Noticed That Steel Guide Rods Are Ssp Legal But AdaptorS Are Not. WOuld ThaT Mean That All Gen 4 Guns HaveTo Run The STock AssemblY Or Be Esp? I AM Asking Because Of A Polymer JagEr ROd, OR The Possibility Of Running Steel. Sorry About Random Caps, Smart Phone IS Giving Me Hell TryingTo And Fix It.