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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.300 vs .338, B.C. vs wieght ?
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<blockquote data-quote="Wild_Bill" data-source="post: 132924" data-attributes="member: 4785"><p>Hi i would hate to disapoint you .500 is a low BC have a look at the Sierra 240gr 30 cal bullet it has a BC of .711 and the 300gr 338 MatchKing has a BC of.768. The 338's also retain more energy than the 30 calibre projectiles at the longer ranges like 1000 yards and beyond.</p><p></p><p>If you have a standard 300 Ultra mag try the 220gr Sierra MatchKings with a BC of .629 they are the heaviest projectile that will stabalise in your 10 twist barrel some may stabalise the 240 but a 1 in 9.5 to 9 twist is better and the 9 is recomended but at the velocity of the ultra mags the 9.5 twist will stabalise them fine.</p><p></p><p>Hope this helps dont worry about them being match bullets they perform very well on game at the long distances. Now if you step up to Wildcat projectiles made in Canada they are even heavier having projectiles up to 300gr in 30 cal and extreemly high BC's aswell.</p><p></p><p>The only hunting projectiles worth looking at in 30 cal in the ultra mag are the 200gr Accubonds.</p><p></p><p>Cheers Bill</p><p>Australia</p></blockquote><p></p>
[QUOTE="Wild_Bill, post: 132924, member: 4785"] Hi i would hate to disapoint you .500 is a low BC have a look at the Sierra 240gr 30 cal bullet it has a BC of .711 and the 300gr 338 MatchKing has a BC of.768. The 338's also retain more energy than the 30 calibre projectiles at the longer ranges like 1000 yards and beyond. If you have a standard 300 Ultra mag try the 220gr Sierra MatchKings with a BC of .629 they are the heaviest projectile that will stabalise in your 10 twist barrel some may stabalise the 240 but a 1 in 9.5 to 9 twist is better and the 9 is recomended but at the velocity of the ultra mags the 9.5 twist will stabalise them fine. Hope this helps dont worry about them being match bullets they perform very well on game at the long distances. Now if you step up to Wildcat projectiles made in Canada they are even heavier having projectiles up to 300gr in 30 cal and extreemly high BC's aswell. The only hunting projectiles worth looking at in 30 cal in the ultra mag are the 200gr Accubonds. Cheers Bill Australia [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.300 vs .338, B.C. vs wieght ?
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