I've competed in lots of Run N Guns since 2015. Along the way I've used irons(20" A2), 1-4 LPVO, 1-6 LPVO, and 2.5-10 "MPVO" w/ piggyback MRDS.
The various matches have different characters and different focus. Some have the longest shot at 300 yards on a big steel, others might have a stage...