Yes they are talking about the bars that come stock on Heritage Softail Classics. And they do improve the ergos on a RG for most. As FifthGear stated, you will need the kind compatible with TBW (throttle by wire).
See attachment,according to the chart the heritage bars have a 7'' rise,7'' center, 13'' pullback and 39'' width...the road glide 7''rise, 7'' center, 11''pullback 32 1/2'' width