Just received my great uncle’s M1898 Krag 30-40 and am trying to figure out how to properly sight it in. I set up at 100yds on a more or less flat range, have the 1896 rear leaf sight with the front sight blade of about .25 in—so I think the sights match up, but strike of the round was about 8 inches below point of aim. I’m using Remington core-lokt 180 grain ammo. I know the Krag is supposed to set a battlesight 300 yds. Does that mean that I need to set the rear sight slide at the 300 mark to accurately shoot at 100 yds? Our first shots (the low ones) were with the rear sight slide all the way to the rear of the leaf, then to bring the strike of the round up, we just slide the slide forward until the back edge is just about at the 300 mark and hitting center mass. Is this correct? I thought the slide should have been all the way back but was shocked at how far the round fell at only 100 yds. Am I doing something wrong—the manual I found online did not have zero procedures, so I’m guessing at this. Thanks in advance.