On another forum a thread was started where the price of admission was 5, 5 shot groups all under .500" on the same target with nothing else to hide holes and no excuses. Put up or shut-up. The list of successful shooters isn't all that long, and the gun list sure has a lot of 6 BRs and PPCs on it. Bench-guns and dedicated F-Class guns ruled, there isn't a factory or light barrel in the bunch.
Granted, there are plenty of people who aren't interested in shooting 25 shot strings for strangers; others that believe correctly that short range shooting may not be be much of an indicator of long range groups or ability to hit small targets a long ways away and some that just found it too easy. Some found it impossible, and a few did it by accident. My own entry was one of those; just a quick run through the pressure sequence with a couple different bullets and 4 different charges to find maximum and velocity and see if there was any potential at all. Accidently ended up with 9 five shot groups under 1/2" on the same target; though I'm definitely in the group that feels that shooting short range groups with 18.2 pound rifles is sort of pointless.
Something else that might fit in here: we have a 1/2 MOA V bull and a 1 MOA 5 ring on our F-Class targets. There's two convertible sighters per distance. The guy that converts 2 sighters is a pretty rare cat having a good day. Taking the second happens somewhat more, and most people would take a 5 if they got the chance. So, long story shortened; the guy shooting 2 shots at a 1 MOA target at 8-9-1000 with the best of everything and range flags probably isn't going to hit it, never mind the V bull.