old roper, all I did was mention that rifle accuracy has not improved over the last several decades. Smaller groups and higher scores happen; that's a statistical fact. So does larger groups and lower scores. If my comments upset you, so be it. They were not intended to.
Too bad those links' pages didn't show what the largest groups and lowest scores produced by those record-holding rifle-ammo-shooter combinations are as that would give a more realistic view of their performance spectrum. Records only reflect the smallest percentage of overall performance of the best sets of people and equipment.
I and a friend laid out that high power range north of Byers in the early 1980's using an electronic distance meter one sub-zero January day. Also designed the pits, firing lines and safety berms.
US Navy Distinguished Marksman Badge 153
Former US Navy & Palma Rifle Team Member
NRA High Power Master & Long Range High Master
NRA Smallbore Prone Master