Warden kill commendations and h2 beam rifle kills?

I seem to be stuck on 21 warden kills, despite having taken down a good many more legendary and mythic wardens in firefight and warzone. Oh, and do the h2 beam kills count towards the beam rifle kill commendation as it doesn’t seem to be counting them towards it.

Any info greatly appreciated.

You have to land the killing blow on the warden, to get the commendation. There are two kill commendations awarded per warden max. I recommend using an SMG, or splinter grenade, you have to time it so it is doing damage when he expires. I cannot speak to the h2 beam rifle comms, as I finished that commendation a while back.