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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Dead on at 100yds 4inches right at 400yds
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<blockquote data-quote="Ranger Rick" data-source="post: 2002652" data-attributes="member: 111184"><p>Every rifle barrel has either a right hand or left hand twist, and the spin of a traveling bullet from barrel twist has very minimal effect (even less than "a little") on horizontal spin drift at 400 yards i.e. definitely not up to 1.0MOA (= 4") @ 400 yards. Realistically, spin drift is not a factor in buzzyb's "shift" problem when his 100 yard zeroing shots are ~ 0.4MOA to the left = the opposite direction of a right hand spin effect and the opposite direction of his 4" shots to the right.</p></blockquote><p></p>
[QUOTE="Ranger Rick, post: 2002652, member: 111184"] Every rifle barrel has either a right hand or left hand twist, and the spin of a traveling bullet from barrel twist has very minimal effect (even less than “a little”) on horizontal spin drift at 400 yards i.e. definitely not up to 1.0MOA (= 4”) @ 400 yards. Realistically, spin drift is not a factor in buzzyb’s “shift” problem when his 100 yard zeroing shots are ~ 0.4MOA to the left = the opposite direction of a right hand spin effect and the opposite direction of his 4” shots to the right. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Dead on at 100yds 4inches right at 400yds
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