Yes that group was shot off a rest on a concrete bench at Big Piney Sportmens Club.
In 2016 I was fortunate to rank 3rd in the IBS Nationals where my groups averaged 1.996 inches at 600 yards - 8 targets over 2 days
For those that do not shoot competitively 512S, is being super humble and gracious. His post puts him in a very select small group of folks. Well done Stroker.
