Please, riflemans are no longer strong late game units. Their vet 3 RA got cut long time ago.
A rifleman with a Bar is just equal to a Stg44 volks. You can test that in the game.
Riflemen still have extra RA bonuses.
-23% received accuracy at vet 2
-15% received accuracy at vet 3, which used to be -25% that they had added in a previous patch
volks only get
-10% at vet 1
-14% at vet 3
A single bar rifleman also does more damage than stg volks at all ranges except for midrange where they are about equal. Still destroys them at close range.