SR556 vs Mpr Ar vs New Harrier Ar

[whitegiant83]

I would like to get my first Ar. I have had a Mini 14 for a long time and love it. I would like tl get something more modern. It needs to be a Ruger but I can decide on either of these 3 modes what are pples thoughts on
SR556
MPR
New Harrier
Thank you.