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Rifles, Reloading, Optics, Equipment
Reloading
Bullet drop, unexpected results
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<blockquote data-quote="inglysh" data-source="post: 1117607" data-attributes="member: 91492"><p>I am shooting a tikka t3 in 270 win. I am zero @ 200 yards.</p><p>Shooting factory ammo out to 300, sighted in dead on, the bullets will hit dirt.</p><p>The loads that I am making drop about 10"...</p><p>Most of the factory rounds that I've seen call for between a 5-8 inch drop. I am guessing that factory rounds are dropping double that, if not more. </p><p>I haven't spent a ton of time shooting out to 300 so I didn't really know what to expect. </p><p>Rifle has about 200 rounds through it and shoots .65 moa. </p><p>I have not run it through a chrono.</p><p>Are these results surprising? Should the results be closer to the tables listed on the box or is that info really just BS? </p><p></p><p>If I back into the number based on what I know to be true, using MV as the only variable on a ballistic calculator, I have to back it off by almost 1/6 in order to achieve the bullet drop that is occurring between 2 and 300 yards. </p><p></p><p>Weight 130 gn</p><p>BC .452</p><p>Temp 68*</p><p>Humidity 38%</p><p>Pressure 29.91"</p><p>Wind 9mph left to right, gusting</p><p>Alt 750 ft</p></blockquote><p></p>
[QUOTE="inglysh, post: 1117607, member: 91492"] I am shooting a tikka t3 in 270 win. I am zero @ 200 yards. Shooting factory ammo out to 300, sighted in dead on, the bullets will hit dirt. The loads that I am making drop about 10"... Most of the factory rounds that I've seen call for between a 5-8 inch drop. I am guessing that factory rounds are dropping double that, if not more. I haven't spent a ton of time shooting out to 300 so I didn't really know what to expect. Rifle has about 200 rounds through it and shoots .65 moa. I have not run it through a chrono. Are these results surprising? Should the results be closer to the tables listed on the box or is that info really just BS? If I back into the number based on what I know to be true, using MV as the only variable on a ballistic calculator, I have to back it off by almost 1/6 in order to achieve the bullet drop that is occurring between 2 and 300 yards. Weight 130 gn BC .452 Temp 68* Humidity 38% Pressure 29.91" Wind 9mph left to right, gusting Alt 750 ft [/QUOTE]
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Bullet drop, unexpected results
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