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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bullet ogive measuring for mile shooting
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<blockquote data-quote="goodgrouper" data-source="post: 58310" data-attributes="member: 2852"><p>I tried shooting at one mile again and the results were very similiar to the last trip. .004" difference in ogive length (base to ogive) makes a big enough difference in bc to change my impact vertically about 20-25". The temps were hovering around 20 degrees and still my bullets were not going subsonic to ruin the test. My own testing of bc on this bullet at my elevation (5000 feet)shows the 140 grain Berger vld at .704, which in theory should make it to 1900 yards today before it goes subsonic!</p></blockquote><p></p>
[QUOTE="goodgrouper, post: 58310, member: 2852"] I tried shooting at one mile again and the results were very similiar to the last trip. .004" difference in ogive length (base to ogive) makes a big enough difference in bc to change my impact vertically about 20-25". The temps were hovering around 20 degrees and still my bullets were not going subsonic to ruin the test. My own testing of bc on this bullet at my elevation (5000 feet)shows the 140 grain Berger vld at .704, which in theory should make it to 1900 yards today before it goes subsonic! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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bullet ogive measuring for mile shooting
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