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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Head scratcher question
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<blockquote data-quote="BMF" data-source="post: 1420342" data-attributes="member: 12201"><p>My buddy has a full custom 338 Lapua with a 20 min ( also custom) picatinny rail and a night force atacr on it. </p><p></p><p>First thing he does is center the crosshairs ( even though nightforces come centered) both ways. Then, he bore sights his gun and zeros it at 100 yds for initial load development. He claims he should have to move his scope down 20 moa ( because he has a 20 min rail ) to zero it, but he only had to move it 10 min. This has been the same results on two separate nightfoces he's put on this gun. </p><p>Here's where we argue....haha~ He thinks they screwed him out of 10 minutes, and only made him a 10 moa rail. I know, I know....eye roll.</p><p>My argument to him is:</p><p>1.) The scope is 2.3" above the bore, CTC/ throws off the math a little</p><p>2.) The scope adjustments are behind the muzzle 30"/ throws off the math a little</p><p>3.) Your losing 2" ~in bullet drop from muzzle to Target at 100yds/ throws off the math a little</p><p>4.) Your crazy, and I can't do math, even a little...haha</p><p>Maybe he's right IDK. I just can't believe it's that simple. What do you guys think?</p><p>____________</p><p>Brent</p></blockquote><p></p>
[QUOTE="BMF, post: 1420342, member: 12201"] My buddy has a full custom 338 Lapua with a 20 min ( also custom) picatinny rail and a night force atacr on it. First thing he does is center the crosshairs ( even though nightforces come centered) both ways. Then, he bore sights his gun and zeros it at 100 yds for initial load development. He claims he should have to move his scope down 20 moa ( because he has a 20 min rail ) to zero it, but he only had to move it 10 min. This has been the same results on two separate nightfoces he's put on this gun. Here's where we argue....haha~ He thinks they screwed him out of 10 minutes, and only made him a 10 moa rail. I know, I know....eye roll. My argument to him is: 1.) The scope is 2.3" above the bore, CTC/ throws off the math a little 2.) The scope adjustments are behind the muzzle 30"/ throws off the math a little 3.) Your losing 2" ~in bullet drop from muzzle to Target at 100yds/ throws off the math a little 4.) Your crazy, and I can't do math, even a little...haha Maybe he's right IDK. I just can't believe it's that simple. What do you guys think? ____________ Brent [/QUOTE]
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Head scratcher question
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