Hello and g'mornin yall. I am in the conversion process with my Saiga 7.62 rifle ( moving fcg forward today). My saiga has egyptian handguards and a triangle nonfolding stock and standard polymer akm pg. Im attempting to give it that egyptian third world khyber pass rough look. I was wondering if anyone has experience or know how when it comes to aging the stamped receiver to look as khyber pass as possible. Ya know the shiny steel peeking through with the park rubbed off look? Would a dremel and a brush swept accross the reciever work? Sandpaper? I have some ideas but would like some suggesti