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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Need advice on testing during load development
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<blockquote data-quote="acloco" data-source="post: 1108632" data-attributes="member: 6137"><p>IMHO, work your load up at 300 yards.</p><p></p><p>In my experience, I have walked right by great bullet/powder combinations by only working up loads at 100 yards. Had some leftover 100 yard load development rounds that I decided to shoot at 300. Low and behold, sub MOA accuracy.</p><p></p><p>The other reason....especially with the 270 WSM (actually, darn near every caliber, 243 and up), the difference between a 300 yard zero and 100 yard zero is not much.</p><p></p><p></p><p>Are you using 110 gr bullets? Only bullet that I found in 277, that is in the 3400 fps range.</p><p></p><p><a href="http://www.hornady.com/store/270-Cal-.277-110-gr-V-MAX-with-Cannelure/" target="_blank">Hornady Manufacturing Company :: Bullets :: Rifle :: Choose by Caliber :: .277 270 CAL :: 270-6.8mm .277 110 gr V-MAX® with Cannelure</a></p><p></p><p></p><p>If so, sight in a 200 yards. Bullet is 1" high at 100 and 5" low at 300.</p><p></p><p><a href="http://www.hornady.com/ballistics-resource/ballistics-calculator" target="_blank">Ballistics Calculator - Hornady Manufacturing, Inc</a></p></blockquote><p></p>
[QUOTE="acloco, post: 1108632, member: 6137"] IMHO, work your load up at 300 yards. In my experience, I have walked right by great bullet/powder combinations by only working up loads at 100 yards. Had some leftover 100 yard load development rounds that I decided to shoot at 300. Low and behold, sub MOA accuracy. The other reason....especially with the 270 WSM (actually, darn near every caliber, 243 and up), the difference between a 300 yard zero and 100 yard zero is not much. Are you using 110 gr bullets? Only bullet that I found in 277, that is in the 3400 fps range. [url=http://www.hornady.com/store/270-Cal-.277-110-gr-V-MAX-with-Cannelure/]Hornady Manufacturing Company :: Bullets :: Rifle :: Choose by Caliber :: .277 270 CAL :: 270-6.8mm .277 110 gr V-MAX® with Cannelure[/url] If so, sight in a 200 yards. Bullet is 1" high at 100 and 5" low at 300. [url=http://www.hornady.com/ballistics-resource/ballistics-calculator]Ballistics Calculator - Hornady Manufacturing, Inc[/url] [/QUOTE]
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Need advice on testing during load development
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