I worked up a handload that will track with the K-31 open sights. It hit 18x24 inch steel targets (3 rounds each) all the way to 400 yards, 24x36 at 500 & 600 yards (3 rounds each), and it put 2 rounds on a 30x48 inch target at 700 yards (I ran out of ammo at that point). Not one miss out of the...