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<blockquote data-quote="Buttermilk" data-source="post: 2901887" data-attributes="member: 5262"><p>I might should have posted this thread in another section, but I didn't. Since I have XP-100's that I intend to shoot at distance, I figured I'd start here. I have shot two of my XP-100's, both 30 Nosler, at 400 yds, and still need to confirm the data on those two.</p><p></p><p>I did a little more shooting at 400 yds with a couple different guns this past weekend. 300 RUM and 28 Nosler.</p><p></p><p>I shot one shot each for zero confirmation at 100 yds. 300 RUM was between 0.750"-1.00" high. 28 Nosler was just under 0.500" high.</p><p></p><p>300 RUM called for 3.5 MOA up (Berger 215 @ 3174 fps). 3.5 MOA put the bullet nearly spot on. My left/right at my 100 yd zero was ~0.25" right, and is reflected, I think, in the 400 yd impacts. I did not account for the left right on purpose.</p><p></p><p>28 Nosler was an experiment as I don't know the BC of the Matrix 175 VLD bullet (3028 fps) I'm using (only have about 200 of these). So, I started at 3 MOA up as I expected the bullet to be low and I knew I would capture that on the paper target I was shooting at. It was right at 7.5" low for a 3-shot group that measured under 1/2 MOA.</p><p></p><p>I guessed at a BC of 0.336 and dialed 4.5 mo up. I then smacked a 4" steel swinging target.</p><p></p><p>Seems my problems prior are exacerbated by using a negative number on the zero. Hornady podcast as well as Kestrel podcast support this.</p><p></p><p>At any rate, I may be well on my way to learning how to use my tools.</p></blockquote><p></p>
[QUOTE="Buttermilk, post: 2901887, member: 5262"] I might should have posted this thread in another section, but I didn’t. Since I have XP-100’s that I intend to shoot at distance, I figured I’d start here. I have shot two of my XP-100’s, both 30 Nosler, at 400 yds, and still need to confirm the data on those two. I did a little more shooting at 400 yds with a couple different guns this past weekend. 300 RUM and 28 Nosler. I shot one shot each for zero confirmation at 100 yds. 300 RUM was between 0.750”-1.00” high. 28 Nosler was just under 0.500” high. 300 RUM called for 3.5 MOA up (Berger 215 @ 3174 fps). 3.5 MOA put the bullet nearly spot on. My left/right at my 100 yd zero was ~0.25” right, and is reflected, I think, in the 400 yd impacts. I did not account for the left right on purpose. 28 Nosler was an experiment as I don’t know the BC of the Matrix 175 VLD bullet (3028 fps) I’m using (only have about 200 of these). So, I started at 3 MOA up as I expected the bullet to be low and I knew I would capture that on the paper target I was shooting at. It was right at 7.5” low for a 3-shot group that measured under 1/2 MOA. I guessed at a BC of 0.336 and dialed 4.5 mo up. I then smacked a 4” steel swinging target. Seems my problems prior are exacerbated by using a negative number on the zero. Hornady podcast as well as Kestrel podcast support this. At any rate, I may be well on my way to learning how to use my tools. [/QUOTE]
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