Question: what is the most accurate round at 1000 yards?
Answer: JON WEILER — Preferred Caliber For 500 To 1,000 Yards And Beyond: 6.5 Creedmoor. ... 
JOHN BUOL — Preferred Caliber For 500 To 1,000 Yards And Beyond: 5.56mm NATO. ... 
BUCK DOYLE — Preferred Caliber For 500 To 1,000 Yards And Beyond: .260 Remington (130-grain Berger AR Hybrid OTM Tactical)