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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
28 Nosler, Terrible barrel burner??
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<blockquote data-quote="MallardAddict" data-source="post: 1323629" data-attributes="member: 3830"><p>factory rifle barrels are set up with twist rates to run commonly available factory ammo. If I was building a 7mm of any flavor it would be an 1:8. As said above it will allow you to run the 160 +/- bullets great but also will allow the 180+ gr bullets to stabilize. The only time too much twist becomes an issue is on super light jacketed varmint bullets.</p><p></p><p>With the velocity possible in a properly built 28 Nosler with a 1:7.5 a guy can realize BC's over .8 with some bullets, same BC bumps for all bullet weights assuming they are stable.</p><p></p><p>My 7wsm is 1:9 and if I did it over it would be a 1:8. </p><p></p><p>Hornady put out a article that supports mine and the other posters statements while totally blowing away your theory on twist rsaxtonwy. For example check the BC figures for the 180gr eld-m, swapping a 1:7.5 twist for the recommended 1:8.5 twist gains a guy .04 BC on its own, not inconsequential in the long range game.</p><p></p><p>For your reading pleasure:</p><p><a href="http://m.hornady.com/BC" target="_blank">Ballistic Coefficient - Hornady Manufacturing, Inc</a></p></blockquote><p></p>
[QUOTE="MallardAddict, post: 1323629, member: 3830"] factory rifle barrels are set up with twist rates to run commonly available factory ammo. If I was building a 7mm of any flavor it would be an 1:8. As said above it will allow you to run the 160 +/- bullets great but also will allow the 180+ gr bullets to stabilize. The only time too much twist becomes an issue is on super light jacketed varmint bullets. With the velocity possible in a properly built 28 Nosler with a 1:7.5 a guy can realize BC's over .8 with some bullets, same BC bumps for all bullet weights assuming they are stable. My 7wsm is 1:9 and if I did it over it would be a 1:8. Hornady put out a article that supports mine and the other posters statements while totally blowing away your theory on twist rsaxtonwy. For example check the BC figures for the 180gr eld-m, swapping a 1:7.5 twist for the recommended 1:8.5 twist gains a guy .04 BC on its own, not inconsequential in the long range game. For your reading pleasure: [url=http://m.hornady.com/BC]Ballistic Coefficient - Hornady Manufacturing, Inc[/url] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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28 Nosler, Terrible barrel burner??
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