Yep, I too have stepped in to the dark side. Built mine for short/mid-range (<300 yds) predator hunting.
16" bbl, 1:9
Leupold Mark AR 1.25-4x
I shot some cheap 55 gr fmj for the functional check and to get on paper at 100 yds.
I've got some 55 gr Hornady SP and Sierra 65 gr SPBT that I'm going...