i'm just the opposite: i ended up trading in a redhawk for a super due to the deep grip. if all else fails, the redhawk probably has the grip your looking for. i'd still replace the homely redhawk scales. before i traded my redhawk,i had put some hogue single finger groove,cocobolo, smooth,with accent stripe grips on mine.
funny,the bisley has a rather small grip for me.