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Long Range Hunting & Shooting
280AI. Need info
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<blockquote data-quote="wwbrown" data-source="post: 1718886" data-attributes="member: 31392"><p>I built a couple of 280 AI for F-class and used the original chambering, that way I could use Lapua 30-06 brass as the parent brass. One key part of an accurate build is to start with high quality brass so starting with Lapua brass is a good start. Fiorming the brass was trivial as I ran the brass through the sizing die which necked down the brass to 280 most of the way leaving a false shoulder. </p><p></p><p>To fireform just use 280 load data on the light side as the non-fire formed brass has a little less capacity than fully formed 280 brass as the shoulder is blown forward a little way on the 280.</p><p></p><p>Both of the builds were very accurate at all ranges up to and including 1,000 yards using 180 bergers and Lapua scenars.</p><p></p><p>wade</p></blockquote><p></p>
[QUOTE="wwbrown, post: 1718886, member: 31392"] I built a couple of 280 AI for F-class and used the original chambering, that way I could use Lapua 30-06 brass as the parent brass. One key part of an accurate build is to start with high quality brass so starting with Lapua brass is a good start. Fiorming the brass was trivial as I ran the brass through the sizing die which necked down the brass to 280 most of the way leaving a false shoulder. To fireform just use 280 load data on the light side as the non-fire formed brass has a little less capacity than fully formed 280 brass as the shoulder is blown forward a little way on the 280. Both of the builds were very accurate at all ranges up to and including 1,000 yards using 180 bergers and Lapua scenars. wade [/QUOTE]
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280AI. Need info
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