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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistic Coeficient G1 or G7
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<blockquote data-quote="Broz" data-source="post: 646944" data-attributes="member: 7503"><p>The G7 is usually closer at the longer distances. I feel either will work for your 308 if you have solid velocity input along with accurate field conditions. Watch shooting too close to the chronograph. I keep em 18' from the muzzle so the blast does not interfear. Also remember many cheaper chrono's will lie. I would use the G7 and check the drops at 300, 500, 700 and 1000 on the same day and range if possible. Then use the velocity that puts them all spot on to .25 moa average from center group.</p><p> </p><p>Jeff</p></blockquote><p></p>
[QUOTE="Broz, post: 646944, member: 7503"] The G7 is usually closer at the longer distances. I feel either will work for your 308 if you have solid velocity input along with accurate field conditions. Watch shooting too close to the chronograph. I keep em 18' from the muzzle so the blast does not interfear. Also remember many cheaper chrono's will lie. I would use the G7 and check the drops at 300, 500, 700 and 1000 on the same day and range if possible. Then use the velocity that puts them all spot on to .25 moa average from center group. Jeff [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistic Coeficient G1 or G7
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