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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
26 Nosler Wildcats - 30 Nosler (308)
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<blockquote data-quote="Deleted member 46119" data-source="post: 1026251"><p>One of the things I plan on doing is a comparison between a RUM and Nosler with the bullet seated to the same depth in the case. Closest apples to apples I can think of.</p><p></p><p>Since this is about cartridge potential not about the COAL that is most accurate for the particular firearm, I will find a seating depth for both that puts the same length of bullet into the case.</p><p></p><p>Example: 230 Berger #30430 Hybrid Target at the same estimated pressure</p><p></p><p>308/26-Nosler COAL 3.475 with .755 seating depth estimate of ~2800</p><p>300 RUM COAL 3.735 with .755 seating depth ~2900</p><p></p><p>This will be made using powders that are 100% burn at as close to 100% capacity as I can get for the pressures which are estimated at ~56,000psi.</p><p></p><p>That is normalized to a 24" barrel. In reality my RUM barrel is 26 and my 306/26-Nosler is 24 but it is a known that there is ~25fps difference for each inch.</p><p></p><p>Is there more potential that those speeds in each case design, of course but that will be figured out later.</p><p></p><p>As for "optimal" barrel length, as has been said, there is not such thing but IMO the most desirable hunting length is 26" in a Sendero profile. The most desired target length is 28" or more in a palma profile.</p></blockquote><p></p>
[QUOTE="Deleted member 46119, post: 1026251"] One of the things I plan on doing is a comparison between a RUM and Nosler with the bullet seated to the same depth in the case. Closest apples to apples I can think of. Since this is about cartridge potential not about the COAL that is most accurate for the particular firearm, I will find a seating depth for both that puts the same length of bullet into the case. Example: 230 Berger #30430 Hybrid Target at the same estimated pressure 308/26-Nosler COAL 3.475 with .755 seating depth estimate of ~2800 300 RUM COAL 3.735 with .755 seating depth ~2900 This will be made using powders that are 100% burn at as close to 100% capacity as I can get for the pressures which are estimated at ~56,000psi. That is normalized to a 24" barrel. In reality my RUM barrel is 26 and my 306/26-Nosler is 24 but it is a known that there is ~25fps difference for each inch. Is there more potential that those speeds in each case design, of course but that will be figured out later. As for "optimal" barrel length, as has been said, there is not such thing but IMO the most desirable hunting length is 26" in a Sendero profile. The most desired target length is 28" or more in a palma profile. [/QUOTE]
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26 Nosler Wildcats - 30 Nosler (308)
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