I loaded 6 test rounds for my Remington 700 in .280 Rem caliber, 22" barrel. Brass is once fired Remington, bullets are 140 gr Accubond, primers CCI 200, powder IMR 4350. Bullets seated .030" off lands. I loaded 2 at 53.0 grs, 2 at 53.5 grs and 2 at 54.0 grs. Distance was 100 yards and shooting...