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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
416/300 Remington Ultra Mag
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<blockquote data-quote="rbTanzan" data-source="post: 1069337" data-attributes="member: 53978"><p>Remember to think through the actual physics of the round.</p><p> For example, the 416Rigby and 416Weatherby have about 12-16 grains more capacity than a RUM-based cartridge. That means that at equal pressures, with equal barrels, the RUM-based cartridge will have less velocity. On the other hand, the 416Weatherby tends to be rated at 2900fps with 350grains for 6500ftlbs. Weatherbys themselves tend to be set at the hot edge of ratings, so I would not go building a hunting rifle in 416RUM with an expectation of 3000fps and 6800ftlbs. </p><p></p><p>In things of physics, you get what you pay for.</p></blockquote><p></p>
[QUOTE="rbTanzan, post: 1069337, member: 53978"] Remember to think through the actual physics of the round. For example, the 416Rigby and 416Weatherby have about 12-16 grains more capacity than a RUM-based cartridge. That means that at equal pressures, with equal barrels, the RUM-based cartridge will have less velocity. On the other hand, the 416Weatherby tends to be rated at 2900fps with 350grains for 6500ftlbs. Weatherbys themselves tend to be set at the hot edge of ratings, so I would not go building a hunting rifle in 416RUM with an expectation of 3000fps and 6800ftlbs. In things of physics, you get what you pay for. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
416/300 Remington Ultra Mag
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